[译] 做那些不重要的事浪费了他许多时间。
[误] He wasted a lot of time to do things that have little importance.
[正] He wasted a lot of time on things that have little importance.
[正] He wasted a lot of time (in) doing things that have little importance.
[注] waste 通常用在 waste time/money/energy on sth.（将时间/金钱/精力浪费在某事上）或 waste time/money/energy (in) doing sth.（浪费时间/金钱/精力去做某事）的结构中，但不能在 waste 后驱动词不定式。
