可以直接用。

例如：

1. I'm not one to waste time on just anyone.我可不是个随便浪费时间在任何人身上的人。2.There could be many reasons and he was not going to waste time speculating on them.原因可能有很多，他不打算浪费时间对此妄加猜测。3.I don't want to waste time on trivialities.我不想把时间浪费在一些琐碎小事上。