看美剧学英语习语：Get to it

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Get to it:  To address or tackle something, such as a task. To be ready to begin or deal with. An expression that means you will not worry about a possible future problem but will deal with it if it happens.
As in It was a foolish risk, taken in a lost cause, but he was itching to get to it.

中文释义：Get to it做某事；开始干；努力干；加油干；干起来。是用来鼓励人说的话。当你想做某事，但是信心不足的时候，你的父母你的好友都会支持你，会对你说，大胆去干吧，换成英语就是"get to it"。表示开始处理或解决某事，某项任务。比如，你和朋友决定做某事，开始去做，就可以说"let's get to it."
例句：It was a foolish risk, taken in a lost cause, but he was itching to get to it.
（这是一次愚蠢的冒险行动，是注定要失败的，然而他却迫不及待地想去试一试。)