大材小用，汉语成语，意思是把大的材料用于小的用处（put fine timber to petty use），比喻人才使用方法不对，浪费人才，可以翻译为make little use of a great talent，waste a talent on trivial job，put something big to small use。
例句：
叫你当打字员是大材小用。
The job of a typist is unworthy of your talents.
不少人感觉自己在工作上被迫大材小用。
Many find themselves having to take jobs far beneath them.
举例来讲，假如大学毕业生觉得自己从事的工作仅需高中文凭，他们就会觉得自己是大材小用了。
For example, university graduates would count themselves overqualified if they were doing work they believed called for nothing more than A-levels.