96、 than necessary 比应该的要冷
　　
The lab was cooler than necessary.
　　
97、 That’s easer said than done. 说来容易做来难
　　
98、 There is nothing to it. 没什么、很容易
　　
I can run this projector. There’s really nothing to it.
　　
99、 with flying colors 成功
　　
A: How did Ellen do on her American History exam?
　　
B: She passed with flying colors.
　　
100、 You can bet your life 当然
　　
A: Will Prof. Smith come to class on time?
　　
B: You can bet your life.