make up one's mind 下决心;打定主意 It took me a long time to make up my mind. 我用了很长时间才打定主意 They gave me a week to make up my mind. 他们允许我有一周的时间作决定。 At last, he make up his mind to do it. 他终于下定决心做这件事。 He have make up his mind to overcome his shortcoming. 他已下定决心克服他自己的缺点