66. in the works 正在准备阶段
An advanced course in theoretical chemistry is the works.
67. keep to oneself 只有自己知道
But one tried to put a good face on it and keep them to oneself.
68. kill time 浪费时间
Gosh. what can we do to kill the next 10 hours?
69. leave…up to somebody 把……留给某人
We’ll have to leave the decision up to him.
