英语博客-北美风情 78、To bite off more than you can（在线收听）

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　　If you bite off more than you can chew things might be difficult for you. This expression might sound like it is talking about eating but – don’t be fooled – it is not. Another expression with a similar meaning is to get in over your head. You can use both of these expressions when you agree to do something and then find that it is too difficult.