Sanki menteşe yeniden gevşemiş; sandalye sallanıyor.

Sanki means something like as if, it seems, or apparently depending on context.

In Sanki menteşe yeniden gevşemiş, it gives the idea that the speaker is making an inference from what they observe. A natural interpretation is:

• It seems like the hinge has come loose again
• As if the hinge has loosened again

So the speaker is not necessarily stating a confirmed fact; they are judging from the chair’s wobbling.

Gevşemiş is the -miş form, often called the evidential or inferential past.

It often suggests:

• the speaker did not directly witness the event happen, or
• the speaker is concluding it from evidence now

So:

• gevşedi = it loosened / it came loose
  more direct, plain past
• gevşemiş = it seems to have loosened / apparently it has come loose
  inferred from the situation

That fits this sentence well, because the speaker notices the chair wobbling and concludes that the hinge has become loose again.

Menteşe means hinge.

It is the hardware part that allows something to pivot or move at a joint. In this sentence, it probably refers to a joint or hinge-like connection in the chair.

So:

• menteşe = hinge

Turkish does not have articles like the or a/an in the same way English does.

So menteşe can mean:

• a hinge
• the hinge

And sandalye can mean:

• a chair
• the chair

Which one is meant depends on context. Here, English would most naturally say the hinge and the chair, because we are talking about a specific chair and its hinge.

Yes, both yeniden and tekrar can often mean again.

In this sentence:

• yeniden gevşemiş = has loosened again

Yeniden can feel a bit more like anew / once again, while tekrar is very common in everyday speech for again. In many contexts, they are interchangeable.

So you could also hear:

• Sanki menteşe tekrar gevşemiş.

That would also sound natural.

It comes from the verb gevşemek, meaning to loosen, to become loose, or to slacken.

Breakdown:

• gevşe- = verb stem
• -miş = inferential/evidential past suffix

So gevşemiş means:

• it seems to have loosened
• apparently it has become loose

Because the subject is third person singular (menteşe), there is no extra personal ending needed here.

Sallanıyor comes from sallanmak, meaning to sway, to wobble, or to rock.

Breakdown:

• sallan- = sway/wobble
• -ıyor = present continuous

So:

• sandalye sallanıyor = the chair is wobbling / rocking

This describes what is happening right now, which is probably the evidence for the speaker’s conclusion in the first part.

Because the two parts describe different things:

• menteşe yeniden gevşemiş
  a conclusion about what has happened
• sandalye sallanıyor
  what the speaker is observing right now

So the logic is:

1. The chair is wobbling now
2. Therefore, it seems the hinge has loosened again

This mix of forms is very natural in Turkish.

The semicolon links two closely related statements:

• Sanki menteşe yeniden gevşemiş;
• sandalye sallanıyor.

It shows a strong connection between them. The second clause explains the observation behind the first.

In English, you might translate it with:

• a semicolon
• a dash
• or even two separate sentences

For example:

• It seems the hinge has come loose again; the chair is wobbling.
• It seems the hinge has come loose again—the chair is wobbling.

In everyday Turkish writing, you might also just see a comma or a full stop.

No. The sentence could also be:

• Menteşe yeniden gevşemiş; sandalye sallanıyor.

That still means something like:

• The hinge seems to have loosened again; the chair is wobbling.

Because -miş already carries an inferential meaning, sanki is not grammatically required. But adding sanki strengthens the sense of it seems / as if.

So using both together makes the speaker sound a little more tentative or interpretive.

Yes. Sanki often introduces an as if / as though feeling.

Depending on tone and context, Sanki menteşe yeniden gevşemiş can feel like:

• It’s as if the hinge has loosened again
• It seems like the hinge has loosened again

So sanki is flexible. In this sentence, both ideas work well.

Turkish often leaves out pronouns when the subject is already clear.

Here the subject is the noun menteşe, so no pronoun is needed:

• Menteşe yeniden gevşemiş.

Likewise in:

• Sandalye sallanıyor.

the subject is sandalye.

Turkish does this very naturally, much more than English.

The basic order here is very natural:

• Sanki menteşe yeniden gevşemiş
• sandalye sallanıyor

Turkish word order is flexible, but the most neutral place for the verb is usually at the end of the clause. That is exactly what we have in the first clause.

You could move some elements for emphasis, for example:

• Menteşe sanki yeniden gevşemiş.
• Sandalye sallanıyor; sanki menteşe yeniden gevşemiş.

These are possible, but the original sounds smooth and natural.

Usually gevşemek is intransitive, so it most naturally means:

• to become loose
• to loosen up
• to slacken

So:

• Menteşe gevşemiş = The hinge has become loose

If you want to loosen something, Turkish often uses a transitive verb such as gevşetmek:

• Vidayı gevşetti = He/She loosened the screw

That distinction is useful:

• gevşemek = become loose
• gevşetmek = loosen something

Yes. Sallanmak can cover several related ideas, depending on context:

• sway
• wobble
• rock
• shake slightly

For a chair, wobble is probably the best English choice here.

So:

• sandalye sallanıyor = the chair is wobbling

If it were, for example, a hanging lamp or a tree branch, swaying might fit better.

Yes, it sounds natural and understandable.

A speaker might also say slightly different versions, such as:

• Sanki menteşe yine gevşemiş, sandalye sallanıyor.
• Menteşe yine gevşemiş galiba; sandalye sallanıyor.
• Galiba menteşe yine gevşemiş, sandalye sallanıyor.

These all express a similar idea. The original sentence is perfectly good Turkish.