Correct

大材小用

/ dà cái xiǎo yòng /
Strokes

Definition

using a talented person in an insignificant position (idiom)/a sledgehammer to crack a nut

Example

Definition

put sth big to small use—make little use of a great talent; waste a talent on a trivial job; not do justice to a person's talent; great genius in little employment

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大材小用
  

The job of a typist is unworthy of your talents.