못 / -지 못하다

수영 못 해요. / 몸이 아팠어요. 그래서 못 갔어요.

I can't swim. / I was sick, so I couldn't go.

오늘은 바빠서 못 만나요.

I'm busy today, so I can't meet you.

매운 음식을 먹지 못해요.

I can't eat spicy food.

어제 잠을 못 잤어요.

I couldn't sleep last night.

아직 한자를 읽지 못해요.

I can't read Chinese characters yet.