When breaking in an engine, you should refrain from high speeds for the first thousand miles.

磨合发动机时,你应当避免在最初的1千英里高速行驶。

《柯林斯英汉双解大词典》

All religions have certain days when people refrain from eating and excessive eating is one of Christianity's seven deadly sins.

在所有宗教中，人们都在某些特定的日子不吃东西，过量饮食是基督教的七宗大罪之一。

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Following the Harvard scandal, Mary Miller, the former dean of students at Yale, made an impassioned appeal to her school's professors to refrain from take-home exams.

哈佛丑闻发生之后，耶鲁大学前学生事务主任玛丽·米勒慷慨激昂地呼吁教授避免学生在家考试。

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He also asked people to refrain from tossing stones at authorities, saying it gives them an excuse to respond with gunfire.

VOA: standard.2009.04.08

I hope you remember from the Sixth Elegy, the Sexta Elegia, that we read a few classes ago that Milton had told his friend Charles Diodati ; that an aspiring epic poet should only drink water; ; two, should refrain from eating meat; and three, should keep his body chaste.

我希望你们还记得《Sexta，Elegia》的第六挽歌,我们前几课读的，讲弥尔顿跟他的朋友查尔斯说,一个有抱负的史诗诗人应该只记得喝水;,二，应该避免食肉;,三，应该保持自己身体的纯洁。

耶鲁公开课 - 弥尔顿课程节选

And now "Get Crunk," as I was aware from having heard it before, involves the consistent refrain of "Get crunk" Extremely bad word, "Get crunk" Extremely bad word, and so I said "No."

我之前在听"玩旷课乐吧"时就发现,这首歌的副歌部分包含了,连续的不和谐歌词,因此我说"不行"

耶鲁公开课 - 心理学导论课程节选

The rules also specify that students should refrain from wearing a "full or half veil".

BBC: NEWS | UK | Education | Imperial bans hoodies on campus

Since Robert created the trust, tax strategy obliged him to refrain from serving as trustee.

FORBES: Outfoxing the Fox?

U. will be more efficient at doing good and refrain from making inane decisions.

FORBES: Ireland's 'No' Gives Europe Breathing Room