아무~

아무 is a pronoun in Korean that refers to indefinite and unspecified people, things, or places. When combined with -도 , it expresses the meaning of 'no', and when combined with -나, it expresses the meaning of 'any'.

아무 음식도 안 먹었어요.

I ate no food.

아무것도 안 먹었어요.

I ate nothing.

아무도 절 안 좋아해요.

Nobody likes me.

• 아무 [noun]도(no [noun]), 아무것도(nothing), 아무도(no one, nobody) are always used in negative sentences(with 안 or 못).

아무것도 먹었어요. X

아무것도 안 먹었어요. O

→ If the last letter of a noun has a 받침, use -이나. If it doesn't, use -나.

아무거나 먹어요.

Let's eat anything.

아무나 오세요.

Anyone can come.

• While 아무 [noun](이)나(any [noun]), 아무거나(anything), 아무나(any one, any body) are mainly used in affirmative(positive) sentences, they can also be used in negative sentences. In such cases, they are interpreted with meanings like 'just anyone' or 'just anything'.