A good student won't be always absent from class without asking for a leave.

一个好学生是不会经常旷课的。

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We fall in love because Cupid selects us as his target without first asking our leave to do so and lets fly an arrow that infects us with lovesickness.

我们坠入爱河，因为丘比特不打招呼就瞄准我们射来那只爱之箭，害得我们相思无穷尽。

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The boss called the foreman on the carpet for granting sick leave to a worker without first asking for permission.

老板训斥那个工头未经事先请示就擅自批准一个工人的病假。

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"You know you're not supposed to leave the house without asking, " I said sternly.

WSJ: How Machiavelli Saved My Family by Suzanne Evans

Who wouldn't want their hotel to know, without even asking, what type of pillow to leave on the bed, which magazines to leave on the coffee table, what brand of juice to put in the mini-bar?

CNN: What your hotel knows about you

Also there was Jean-Claude Biver, chief executive of Hublot and the man credited by many with rescuing the Swiss watch industry, who said that, if asked, he would leave Hublot and run the bid without asking for a salary.

BBC: Selling the Olympics to the Swiss