定期检查机油，经常保养汽车。

Check the oil at regular intervals, and have the car serviced regularly.

《柯林斯英汉双解大词典》

一个月后，他发现老板不经常检查。

After one month, he found that the boss didn't check very often.

youdao

官员们必须经常一个一个地清点选票，检查每一张选票并记录选票。

Officials must often count up the votes one by one, going through every ballot and recording the vote.

youdao

So actually, the problem with static semantics is you'd like it to catch everything, you don't always get it.

因此实际上，你希望静态语义检查,能捕获所有的错误，但是经常结果不是这样的。

麻省理工公开课 - 计算机科学及编程导论课程节选

One of the things that has been interesting with you that I haven't always done in meditation is checking in with various parts of my body, and like really going from head to toe, which is very interesting, just being aware of any aches and pains.

一件让我感兴趣的事,是我在冥想时不经常做的,就是检查身体各处，彻底从头到脚，这一点很有趣，留意各种疼痛。

普林斯顿公开课 - 人性课程节选