let-off

1.He let off steam by yelling at a clerk.

对一个职员大喊大叫, 借以发泄。

2.They let off their guns at the British ships.

们对英国船舶开炮。

3.He lets off steam by going to the gym after work.

下班后去体育馆锻炼，以缓压力。

4.The janitor let off some steam because the pressure was too high.

锅炉工把蒸汽放走了一点,因为压力过。

5.The engine is letting off steam to relieve the pressure in the boiler.

在放蒸汽, 以减少锅炉的压。

6.A bowman can let off six aimed shots in a minute, an arquebusier only one in two or three minutes, when he has gone through all his manual exercise carefully.

一名弓箭手可以每分钟瞄准射击六次，而一名火绳枪手只能每两三分钟射击一次，这还是在严格按照程序操作的情况下!