如果你们两个男孩不马上停止争吵，我就要使用武力制止你们的争吵了。

If you two boys don't stop quarrelling immediately, I'll bang your heads together.

youdao

如果你们两个男孩不马上停止争吵，我就要使用武力制止。

If you two boys don't stop quarrelling immediately, I'll knock your heads together.

youdao

假设那两个男孩子不站在一起的话，我会分不出谁是谁。

If I see the two boys apart, I don't know which is which.

youdao