with caution 小心，谨慎 caution /warn sb against...警告某人不要...

caution sb. that...警告某人... Statistics should be treated __________ _____________.

She always __________her boys __________ talking to strange men.

The government cautioned that pay increases could lead to job losses. (翻译)_____

5. Our optimism and faith in Shackleton had helped us ___________ ____ staying alive and he had ________ us by his _________________ to return and save us from a slow but painful death. 乐观和对沙克尔顿的信任帮助我们坚持顽强活了下来，他给我们的回报则是承诺返回岛上，并且把我们从缓慢而又痛苦的死亡中解救出来。

In spite of all obstacles and failures, the scientist __________ his experiments.

Despite a number of setbacks, they __________ their attempts to fly around the world in a balloon.

They showed great __________ in the face of difficulty.