Sometimes they have to chopdown a tree for firewood.
有时他们不得不砍倒一棵树来做木柴。
《柯林斯英汉双解大词典》
2
I'm going to chopdown this cherry tree; it has almost stopped producing fruit.
我打算把这棵樱桃树砍掉,它已经不结什么果子了。
3
Two men can chopdown even a thick, sturdy rosewood tree in an hour. Then it requires teams of 15 or 30 or 50 to pull the logs through the muddy up-and-down of the vine-covered woodland.