5. 不久,不久以后 before long
4. 很久以前 long before
3. 渴望做某事 long to do sth
2. 渴望得到某物 long for sth
1. 严密保藏某物 keep sth under lock and key
100. 非常愉快或自豪 be/ feel at top of the world
99. 尖子生 top student
98. 本国语 mother tongue
97. 累得要死,累极了 be tired out = be exhausted = be worn out
96. 对…厌倦 be tired of = be sick of