英语习语：

do the trick 做成功；达到理想的结果

——I've been trying to get the furnace started, but I can't find the right switch. (我尽力想让炉子燃起来，可不知道该按哪个键。)
——Here, I believe this one in the back will do the trick. (这里，我相信后面按这个键，可以让炉子燃起来。)

双语例句：
If your friends are too busy to meet for lunch, a short phone call can do the trick.
要是你的朋友太忙而无法一起吃午饭，一个简短的电话也能起到很好的效果。

Find a video to do the trick - While it's not best to let videos and TV teach your children all the time, sometimes they can be very handy.
利用视频获得成功——虽然总是用视频和电视教孩子不是最好，但是这也是很方便的方式。