1. You look great in your uniform.

2. You look great when you are wearing your uniform.
3. You look great when you wear your uniform.
4. You look great when you dress your uniform.
5. You look great when you have your uniform on.
6. You look great if you have your uniform on.
7. You look great if you are wearing your uniform.
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Which one is similar to Sentence 1 in meaning? Do you have other expressions similar to Sentence 1?

1 is the same as 2, 3, and 5.

4 is incorrect.
6 and 7 have a slightly different meaning because of "if."

Sentence 2 ("You look great when you are wearing your uniform") is similar to Sentence 1 ("You look great in your uniform") in meaning. Both sentences express that the speaker thinks the person looks great when they are wearing their uniform.

Here are some additional expressions that have a similar meaning to Sentence 1:

1. "You look fantastic in your uniform."
2. "You look amazing when you wear your uniform."
3. "You rock your uniform."
4. "Your uniform suits you perfectly."
5. "You really pull off the uniform look."
6. "You look absolutely stunning in your uniform."

These expressions convey a positive sentiment towards the person's appearance in their uniform.