53. sb be familiar with sth / sth be familiar to sb 某人熟悉某物 54. find fault with sb / sb be at fault 挑某人的毛病/ 是某人的错 55. do sb a favor / give sb a hand 帮某人忙 56. feel like doing sth / would like to do sth 想要做某事 57. be fit / sui...