59. harder and harder 越来越厉害

58. leave one by oneself 把某人单独留下

57. keep a diary 坚持写日记

56. think of 考虑到，想起

55. take(good) care of…=look after…(well)

(好好)照顾，照料

54. take sth. with sb. 某人随身带着某物

53. run after 追赶

52. eat up 吃光，吃完

51. run away 逃跑

50. sooner or later迟早