뭐든 할

do anything

→ 뭐+든
phrase Uncommon #9,123
do anything 뭐든 means “anything,” and 할 is a form of 하다 (“to do”). The ending changes depending on the sentence.
KO: 저는 가족을 위해 뭐든 할 수 있어요.
EN: I can do anything for my family.