55. 没有心情做某事 be in no mood for doing sth/ to do sth
54. 心情好/坏 in a good/ bright/ bad mood
53. 流动图书馆 a mobile library
52. 把---和---混合 mix --- with ---
51. 把…误认为… mistake A for B
50. 错误地做某事 do sth by mistake
49. 避免做某事 miss doing sth
48. 拿定主意做某事 make up one’s mind to do
47. 牢记某事 keep/ bear sth in mind
46. 给某人留个条 leave a message for sb