Teknik yetkinliğini örneklerle gösterdi.

Yetkinliğini is a multi-part word:

• yetkinlik = competence, proficiency
• yetkinliği = his/her competence or their competence
• yetkinliğini = his/her competence as the definite direct object

So the structure is:

• yetkinlik
  • -i → yetkinliği
    This is the 3rd person possessive ending: his/her/their competence
• yetkinliği
  • -ni → yetkinliğini
    This adds the accusative marking, because it is the object of the verb gösterdi

Also note the sound change:

• yetkinlik → yetkinliği
• final k often becomes ğ before a vowel

So this one word means something like his/her technical competence in object form.

Because the noun is a definite direct object.

In Turkish, when a noun is the specific thing being acted on, it often takes the accusative ending.

Here, the thing being shown is a specific competence:

• yetkinliği = his/her competence
• yetkinliğini = his/her competence as the object

With possessed nouns, Turkish uses -nı / -ni / -nu / -nü for the accusative.

So:

• kitabı = his/her book
• kitabını = his/her book as the object

Likewise:

• yetkinliği = his/her competence
• yetkinliğini = his/her competence as the object

Because Turkish often expresses possession with a suffix instead of a separate word.

In English, you say:

• his technical competence
• her technical competence

In Turkish, that idea is built into the noun:

• yetkinliği = his/her/their competence

So there is no need to add a separate word like onun unless you want emphasis or clarification.

You could say:

• Onun teknik yetkinliğini örneklerle gösterdi.

But that usually sounds more emphatic, like He/She showed his/her technical competence with examples where his/her is being highlighted.

Örneklerle means with examples.

It is built like this:

• örnek = example
• örnekler = examples
• örneklerle = with examples

The ending -le / -la means with.

So:

• kalemle = with a pen
• arkadaşıyla = with his/her friend
• örneklerle = with examples

Here it tells you how the person showed their technical competence:
they demonstrated it by using examples.

In Turkish, with can be expressed in two common ways:

• as a separate word: ile
• as a suffix: -le / -la

So these are both possible:

• örnekler ile
• örneklerle

The suffix form is much more natural and common in everyday Turkish.

So örneklerle gösterdi is the normal compact way to say showed with examples.

Gösterdi means showed or demonstrated.

It comes from:

• göster- = to show, demonstrate
• -di = past tense

So:

• gösterdi = he/she/it showed

In this sentence, it is 3rd person singular past tense.

Turkish does not need to include a subject pronoun if the verb form and context already make it clear. So gösterdi by itself can mean:

• he showed
• she showed
• it showed
  depending on context

Because Turkish often drops subject pronouns when they are understood from context.

So instead of saying:

• O teknik yetkinliğini örneklerle gösterdi.

Turkish commonly just says:

• Teknik yetkinliğini örneklerle gösterdi.

The verb gösterdi already tells you it is he/she/it showed.

This is very normal in Turkish. Pronouns like ben, sen, o are often omitted unless needed for emphasis, contrast, or clarity.

Because Turkish normally follows Subject–Object–Verb word order.

So the basic structure here is:

• (O) = subject, omitted
• teknik yetkinliğini = object
• örneklerle = with examples
• gösterdi = verb

The verb usually comes last in a neutral sentence.

That is one of the biggest differences from English.
English usually puts the verb earlier:

• He showed his technical competence with examples.

Turkish typically saves the verb for the end:

• Teknik yetkinliğini örneklerle gösterdi.

Teknik is an adjective here, meaning technical.

It modifies yetkinliğini:

• teknik yetkinlik = technical competence
• teknik yetkinliğini = his/her technical competence (object form)

A helpful thing for learners: Turkish adjectives do not change form for number, gender, or case.

So teknik stays teknik no matter what comes after it.

Compare:

• teknik bilgi = technical knowledge
• teknik beceriler = technical skills
• teknik yetkinliğini = his/her technical competence

The adjective remains unchanged.

Yes. Yetkinlik can overlap with several English words depending on context:

• competence
• proficiency
• capability
• sometimes skill

In professional or academic contexts, yetkinlik often sounds like competence or proficiency.

So teknik yetkinlik could be translated as:

• technical competence
• technical proficiency
• sometimes technical capability

The exact English choice depends on the tone and situation.

Yes, it is natural and correct.

It sounds like the kind of sentence you might see in:

• a performance review
• a CV or résumé context
• an interview evaluation
• a training or assessment report

It has a slightly formal/professional tone because of words like teknik yetkinlik.

In more everyday speech, someone might also say something simpler depending on context, but this sentence is completely natural.

Yes, Turkish word order is flexible, although the verb usually stays at the end.

The neutral order here is:

• Teknik yetkinliğini örneklerle gösterdi.

But you could change the focus:

• Örneklerle teknik yetkinliğini gösterdi.
  This puts a bit more attention on with examples.

• Teknik yetkinliğini gösterdi.
  This removes örneklerle.

Turkish uses word order partly to manage emphasis and information flow, not just grammar.
Still, the original version is a very natural default order.

A rough pronunciation guide is:

• yet-kin-lee-ee-nee

More carefully:

• yet as in yet
• kin as in kin
• li like lee
• ği here is soft; the ğ is not pronounced like a hard consonant
• ni like nee

The ğ in Turkish often lengthens or smooths the vowel rather than making a strong consonant sound. So yetkinliğini flows smoothly rather than sounding like there is a hard g in the middle.

Not by itself in the verb form.

Gösterdi is singular: he/she/it showed.

If the subject were they, you would normally say:

• Teknik yetkinliklerini örneklerle gösterdiler.

Here:

• yetkinliklerini = their technical competence / their competencies
• gösterdiler = they showed

So the original sentence most naturally means he/she showed his/her technical competence with examples.