If it is a bicycle, you should call your parents before you let the rider go.

如果是一辆自行车的话，你应该在骑手离开之前打电话给你的父母。

youdao

Let's call it a day and go to the movies.

我们收工看电影去吧！

《新英汉大辞典》

If it's not important enough to call the person directly, then let it go.

如果事情并不是十分重要，没有必要直接打电话通知对方，那就让它去吧。

youdao

"With our turtle release program, it is a compensation-based program where when the fishermen give us a call to go and rescue a turtle, we check the biometric measurements, tag the turtle, and compensate the fishermen for the time and effort they have taken to save these turtles and call us."

VOA: standard.2010.07.15

So if I want to use a string as we'll call it which is a word or phrase generally, they always go between double quotes, David hence the quotes around David, and they are double quotes not single quotes intentionally.

当我们要表示单词啊，词组啊，句子啊等等这样的东西时,就会用到字符串，它们位于双引号之间，也就是这里双引号之间的，是双引号，不是单引号哦。

哈佛公开课 - 计算机科学课程节选

Let's call it a day and go home.

今天到此为止吧，大家回家吧。

Let's 课堂 - SpeakingMax英语口语达人

For an unusual experience- although you would not call it authentic - go see Thai Elvis perform at the Palm's restaurant (www.palmsthai.com) every Wednesday through Sunday nights.

BBC: Ethnic Los Angeles

If you want to call it amnesty, go ahead.

FORBES: Earth To Conservatives: Immigrant Amnesty Is A Conservative Policy

"I have tried a number of times to make a call and gotten through only to find it go to a one-way call very quickly, " he said.

WSJ: Outages Expose Wireless Carriers' Backup Plans