to  be  instrumental in   something
be
bi
bi
instrumental
ɪnstrəmɛntl
instrēmentl
in
ɪn
in
something
sʌmθɪng
samthing

영어로 "be instrumental in something "의 정의와 의미

to be instrumental in something
01

to be an important factor or contributor to a specific result 

예시들
Her guidance was instrumental in the project's success. 
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