make up one's mind about sth /sb是正确的
其他同义搭配
make someone's mind up
to decide; to do something that decides something for someone. Will you please make up your mind? I will help make up your mind.
See also: make, mind, up
make one's mind up (about someone or something)
to decide about someone or something. Please make your mind up about Ralph. Will you pick him or not? Make up your mind about her! I just couldn't make my mind up.
See also: make, mind, up
Make your mind up.
Fig. Please make a decision.; Please choose. Henry: I don't have all day. Make up your mind. Rachel: Don't rush me. Bob: Make your mind up. We have to catch the plane. Mary: I'm not sure I want to go.