可参考:
I spent 20 yuan on buying that scarf.
我花了20元去买那围巾.
I used 20 yuan to buy that scarf.
我用20元买了那围巾.
我们班上的男生都喜欢乒乓球可翻成:
The guys in our class all like to play table tennis.
或
The boys in our class all like to play table tennis.
希望以上有帮到您.