Learn Hardcore Korean: eolguri yeppeoseo sajini jal nawayo. - When the face is pretty, photos turn out well.

The ending -서 attaches to the adjective stem 예쁘- to create a reason or cause clause. Here, 예뻐서 means “because (one’s) face is pretty,” linking it to the result clause 사진이 잘 나와요.

Why is 얼굴 marked with -이 instead of -가?

Both -이 and -가 are subject markers, but which one you use depends on the final sound of the noun. 얼굴 ends in a consonant, so you attach -이. If it ended in a vowel, you’d use -가.

What does 사진이 잘 나와요 mean literally and naturally?

Literally, 사진이 잘 나와요 is “the photo comes out well.” In natural English: “(Your) photos turn out great.” Here 잘 means “well” or “nicely,” and 나오다 is used to express the result or appearance of something—how the photo “comes out” after it’s taken.

Why do Koreans say 사진이 잘 나와요 instead of 사진을 잘 찍어요?

사진을 잘 찍어요 means “(I) take photos well,” focusing on the photographer’s skill. 사진이 잘 나와요 focuses on the result—the photo itself looks good. In context, if someone’s face is pretty, you comment on how the final image “turns out” well rather than one’s photography ability.