'눈웃음 짓다'를 영어로 어떻게 표현할 수 있을까요?
반달모양으로 눈웃음을 짓는 것을 어떻게 표현 할 수 있을까요?

Question

Answer

Your asking a Korean-English translation question in a French section :-)

Anyway, there may be two ways.
For example, to say "그녀는 눈웃음을 지었다" (or ...눈웃음을 쳤다, which is the same).

- She smiled with her eyes. 
- Her eyes smiled.

Answer

Here is not Korean section. Anyway, "눈웃음을 짓다" is "smile with one's eyes" in English.