1、take off
(飞机)起飞
We eventually took off at 11 o'clock and arrived in Venice at 1.30.
我们终于在11点起飞,1:30 到达威尼斯。
(产品、活动、事业等)腾飞,突然成功
They need to expand the number of farmers who are involved if the scheme's going to really take off.
这个方案要想真正成功,他们就需要增加参与的农场主的人数。
In 1944, he met Edith Piaf, and his career took off.
1944 年,他结识了伊迪思·比阿夫,从此他的事业开始腾飞。
(突然)离开,走开,走掉
He took off at once and headed back to the motel.
他立刻离开,回到汽车旅馆。
He took himself off to Mexico.
他突然动身去了墨西哥。
2、let out
放出,释放(水、空气等);呼(气)
It lets sunlight in but doesn't let heat out.
它吸收阳光,但并不释放热量。
Meer let out his breath in a long sigh.
米尔长叹了一口气。
发出(声音)
When she saw him, she let out a cry of horror.
她看见他时吓得大叫一声。