Once she had calmed down, she fell asleep, and I locked her doors from the outside and put the key back through the letterbox. I set off walking back to my own house.

她一平静下来就睡着了，于是我从外面把门锁上，再把钥匙从邮筒放回去，然后动身往回走。

youdao

One of the key elements to improving your backstroke start is to stay relaxed from the moment you set your feet and hands on the block until the moment you hear the buzzer go off.

一个关键是改善出发：在听到出发的哨声之前，要注意保持放松状态，即便是你的手和脚已经搭到起跳处。

youdao

The farmers strike was set off by her proposal to raise taxes on key agricultural products which was extremely unpopular.

CENTERFORSECURITYPOLICY: Argentinas Kirchner seizes private pension funds

As minister of the Revolutionary Guards in the 1980s, Rafiqdoost played a key role in sponsoring Hezbollah in Lebanon--which kidnapped foreigners, hijacked airplanes, set off car bombs, trafficked in heroin and pioneered the use of suicide bombers.

FORBES: Magazine Article

The findings have set off a new wave of criticism, accusing the university and its panel of failing to interview key people (such as Jones), neglecting to conduct more than a cursory review of allegations, and structuring the inquiry so that the outcome exoneration was a foregone conclusion.

FORBES: Michael Mann And The ClimateGate Whitewash: Part One