He assisted in unofficial ways with the routine legwork in various investigations.

他在多个调查中例行外勤以非正式的方式来进行协助。

《柯林斯英汉双解大词典》

He assisted me in writing this book.

他辅助我写这本书。

youdao

He assisted a gentleman on with his coat.

他帮助一绅士穿上外套。

youdao

He scored nineteen goals and assisted in thirteen more.

VOA: special.2010.06.25

"Who helped him? I believe that he is determined to try and protect those people who assisted him,".

VOA: standard.2009.03.12

He will be assisted by Indonesia's former attorney general Marzuki Darusman, and Irish police expert Peter Fitzgerald.

VOA: standard.2009.06.21

This Lillehei did with a vengeance in 1952 when he assisted friend and colleague F.

FORBES: Brave Heart

He assisted in witness-background profiling in 2008 for the U.S. Justice Dept in a terrorism financing trial.

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On Saturday, the Yellow Wall showed him the same love as he assisted on the first two Dortmund goals.

WSJ: Borussia Dortmund's Fans Stand Up For Their Team