Expresó su deseo claramente.

Expresó is the third-person singular preterite form of expresar, meaning to express.

So expresó means he expressed, she expressed, or it expressed, depending on context. In Spanish, the subject pronoun is often omitted because the verb form already gives grammatical information.

The accent mark in expresó shows where the stress goes: ex-pre-SÓ.

It also helps distinguish this past-tense form from expreso, which without the accent can mean I express or can also be a noun/adjective in other contexts, such as espresso or express.

So the accent is both a pronunciation guide and a grammatical marker.

It is the preterite tense, which is used for a completed action in the past.

So Expresó su deseo claramente presents the expressing as a finished event: the person clearly expressed that desire at some point in the past.

A learner might compare it with the imperfect:

• Expresaba su deseo claramente = he/she was expressing or used to express his/her desire clearly

The preterite here sounds like a single complete action.

Spanish often leaves out subject pronouns because the verb ending already tells you the person and number.

So:

• Expresó su deseo claramente = He/She expressed his/her desire clearly

You could add él or ella for emphasis or contrast:

• Él expresó su deseo claramente
• Ella expresó su deseo claramente

But in normal Spanish, leaving the pronoun out is very common.

Su is a possessive adjective meaning his, her, its, your (formal singular), or sometimes their, depending on context.

In this sentence, it most naturally means:

• his desire
• her desire

Spanish su is more ambiguous than English his/her. The surrounding context usually makes it clear who the owner is.

If needed, Spanish can clarify:

• Expresó el deseo de ella claramente = He/She clearly expressed her desire
• Expresó el deseo de él claramente = He/She clearly expressed his desire

Deseo here is a noun, meaning desire or wish.

So the structure is:

• expresó = expressed
• su deseo = his/her desire
• claramente = clearly

Spanish often uses noun phrases where English might also use a clause. For example:

• Expresó su deseo de marcharse = He/She expressed his/her desire to leave

Using deseo sounds a bit more formal or abstract than simply saying someone wanted something.

Claramente is an adverb meaning clearly. It describes how the person expressed the desire.

It comes from:

• claro = clear
• clara = clear (feminine)
• claramente = clearly

A lot of Spanish adverbs are formed with -mente, similar to English -ly:

• rápido → rápidamente
• exacto → exactamente
• claro → claramente

Yes, Spanish word order is fairly flexible, though some versions sound more natural in certain contexts.

The original sentence:

• Expresó su deseo claramente

A very natural alternative is:

• Expresó claramente su deseo

Both are correct. The difference is mostly about emphasis and rhythm:

• Expresó su deseo claramente keeps su deseo together as a unit
• Expresó claramente su deseo puts more immediate focus on claramente

In many cases, both would be understood the same way.

In standard Spain Spanish, a rough pronunciation is:

ehks-preh-SOH soo deh-SEH-oh klah-rah-MEN-teh

A few useful details:

• x in expresó sounds like ks
• s is a clear s
• z in deseo is not pronounced like the English z sound; here the s is still an s, because the word is spelled with s
• the stress is on -só in expresó
• the stress is on -se- in deseo
• the stress is on -men- in claramente

If you want a more Spain-specific point: in many parts of Spain, c before e/i and z are pronounced with a th sound, but that does not affect this sentence, since these words use s, not z or ce/ci.

Yes, very often it does.

For example, Expresó su deseo claramente usually means:

• He expressed his desire clearly or
• She expressed her desire clearly

In other words, su often refers back to the person doing the action.

However, grammatically it could also refer to someone else’s desire if the context supports that. Spanish allows that ambiguity more often than English does.

It sounds neutral to slightly formal.

That is mainly because of:

• expresar instead of a more everyday verb like decir
• deseo instead of something more casual

For example:

• Dijo claramente lo que quería = He/She clearly said what he/she wanted

That version sounds more conversational.
Expresó su deseo claramente sounds a bit more polished, written, or formal.

Manifestó su deseo claramente is possible and sounds even more formal than expresó.

Dijo su deseo claramente is much less natural. Spanish usually would not use decir that way with deseo.

More natural alternatives with decir would be:

• Dijo claramente lo que quería
• Dijo claramente cuál era su deseo

So expresar fits very well with deseo.

Because the sentence refers to one desire or one wish as a single idea.

• su deseo = his/her desire
• sus deseos = his/her desires

If you changed it to plural, the meaning would shift:

• Expresó sus deseos claramente = He/She expressed his/her wishes clearly

The singular is often used when talking about one main wish, intention, or emotional desire.