If he started to fall asleep, the tool would fall from his hand.

VOA: special.2009.03.18

I guess it's not macho enough, John, to just, you know, you know, go off and do things by hand, you ought to just run them, but it's a valuable tool to get into, so let me do that here.

我认为这不太男人了，John，你知道的，他们仅仅是认为比起用手做来,更应该直接去运行程序，但是这确实是调试代码的非常有价值的工具，让我在这里给大家演示下吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

Simply by clicking that link you can then log into your account; and then on the left hand side what appears is a little menu of all of your friends who are also using this tool and you can select any one of them and actually see what that person is shopping.

只需轻点鼠标便可进入自己的账户;,页面的左边有一个菜单栏,其中是你所有也在使用这个工具的朋友,你可以选中其中一个,查看ta所选择的课程。

哈佛公开课 - 计算机科学课程节选

He held the tool in his hand.

VOA: special.2009.03.18