The device is manually operated, using a simple handle.

这个装置利用一个简单的手柄，可以用手操作。

《柯林斯英汉双解大词典》

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From there, it's up to you to sound the alarm manually.

之后，你可以决定是否手动发出警报。

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It's hard to answer questions and whatnot and you don't necessarily have access to the same tools unless you yourself go through the process of configuring your machine manually by following many long sequences of steps.

所以很难说会出现什么情况,你们不能,用同一台机器，除非你们自己按照一系列,冗长的步骤手工配置,你们自己的电脑。

哈佛公开课 - 计算机科学课程节选

You don't need this hack of just, like, manually adding a decimal point just to fix that problem.

你不需要这样来操作，比如，手动地加入小数点来修正这个错误。

哈佛公开课 - 计算机科学课程节选

When you declare a pointer yourself manually, you do say char * the variable name because recall that's the same thing that we did earlier but we called it instead string.

当你手动声明一个指针是，你可以说char，*，变量名字,因为那是我早些时候做的事情,但是我们叫它为字符串。

哈佛公开课 - 计算机科学课程节选

Southwest lets you plug in your info manually, while American won't even allow that.

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The elevator up the spire is manually operated and represents its progression in feet, not floors.

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All incoming cartons, which already bear bar codes, will be electronically scanned, instead of input manually.

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