-을 만하다

V+ ㄹ/을 만하다 This indicates that something is worth doing or that a situation has reached a sufficient level for something to happen. (worth~, enough to~, -able)

김치는 맵지만, 먹을 만해요.

The kimchi is spicy, but it's still edible.

20년 넘은 집이지만 아직 살 만해요.

Although the house is over 20 years old, it's still livable.

박 변호사는 정말 믿을 만하니까 걱정 마세요. Attorney Park is really trustworthy, so don't worry.

• The meaning can vary depending on the context.

이 영화는 정말 재밌어요. 볼 만해요.

This movie is worth watching.

이 영화는 정말 재밌지는 않지만 볼 만해요.

This movie isn't really that fun, but it's good enough to watch.

• It can also follow a noun to mean "as big as [Noun]" or "about the size of [Noun]" when comparing sizes.

사과가 주먹 만해요.

The apple is approximately the size of a fist.

햄버거가 너무 커서 거의 얼굴 만해요.

The hamburger is so big it's almost the size of a face.

You might think this usage is different from the 'ㄹ/을 만하다' above, but both share the same core idea: measuring up to a standard or being equivalent to something. (The root '만' means ‘sufficient’ or ’full’.)