be instrumental in
US /biː ˌɪn.strəˈmen.t̬əl ɪn/
UK /biː ˌɪn.strəˈmen.təl ɪn/
成語
起關鍵作用, 對...有幫助
to be important in making something happen
範例:
•
She was instrumental in the success of the project.
她在項目的成功中起到了關鍵作用。
•
The new evidence was instrumental in solving the case.
新證據對破案起到了重要作用。