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》

Whether it is making a phone call, writing an email, doing a little research, anything, just go and do it.

无论是打电话，写封电邮，搞点小研究，任何事情都可以，只要去做就好了。

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

"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

We need to spend more time with the Racing Wheel to make a final call, but we do think it has potential to be a go-to way for playing motorcycle and looser arcade-style racers on the system.

ENGADGET: Sony PlayStation Move Racing Wheel hands-on (video)

And there, in that simple moment, was born an attitude that Australians love to call their own, the "give it a go" attitude.

CNN: Australia prepares to 'give it a go'