16. to go on the dole：(of the unemployed) to live on public welfare（失业人员依靠政府救济金生活。)

Thousands of Americans are out of jobs and may go on the dole. (美国成千上万的失业者靠领取政局救济金生活。)
Some people have gone on the dole for years. (有些人多年来就是靠政府救济生活的。)

17. to be in the hot seat：to be under lots of pressure or in a difficult position（处于困境，面对很多压力）

He has resigned from his job because he has been in the hot seat for years. (由于不堪多年的工作压力，他终于辞职了。)
When testifies before Congress, he will be in the hot seat. (在国会作证的时候，他将面临巨大的压力。)

18. to make waves：to make trouble （惹是生非， 与"rock the boat"意思相近）

Many politicians like to make waves in order to be kept in the media. (许多政客为了能在媒体上路脸儿而不惜哗众取宠。)
Teenagers tend to make waves with their parents and teachers. (一些青少年总是会给父母和老师惹麻烦。)

19. to keep (one's) nose clean：to keep away from trouble（远离是非，少惹麻烦）

The newly released inmates are trying to keep their noses clean. (刚刚获释的犯人总是尽量少惹是非。)
A law-abiding person needs to keep his (her) nose clean. (奉公守法的人应该避免制造麻烦。)

摘自中国日报网站(J-04)