重点讲解：
1. in the air 没有危险的；不受责备的；不受怀疑的；
Those of you who were too nervous to spill the beans early should be in the clear now.
那些十分紧张不愿把怀孕消息说出来的人现在应该没有这种顾虑了iT,1KH95O7vf&f*。
2. be similar to 相像的；相仿的；类似的；
The construction of the diesel engine is quite similar to that of the gasoline engine.
柴油机的构造与汽油机的构造十分相似&+Eq4_~2M.mZVF。
3. was/were supposed to do sth. 本应该(发生而没有发生)；
Where the devil have you been? You were supposed to be home hours ago.
你究竟去哪儿了？几个小时前你就应该到家了+fk+Z!2%w8gM。
4. end up 最终；结果；到头来；
Grey offers you a dignified and conservative authority. If it's too light, you could end up looking a bit boring.
灰色让你显得威严，庄重和有权威wzqit%JxXpzqpV61hq-x。如果颜色过淡，则让你看起来有点无趣(ds[,Z,er+K!j@a5。