1. The thief mooched few apples when we are not looking. 那个小偷乘我们不注意偷了几个苹果。
2. At what point does a friend become a mooch? It's a matter of frequency. 到什么样的程度才可以说一个朋友变成一个贪小便宜的人呢？这其实是个频繁度的问题。
3. If you are not careful about doing your own work, you'll soon be left high and dry with nobody but your parents left to mooch off. 如果你不认真工作，你很快就会发现自己处于孤独无助的境地，这时除了你的父母外，没人会帮助你。
英英解释
n.
1. someone who mooches or cadges (tries to get something free)
2. ask for and get free; be a parasite
