His presence had a calming influence.

有他在场对大家的情绪起到了稳定作用。

《牛津词典》

He has a calming influence, a commanding influence.

他有一种平静的影响力，一种居高临下的影响力。

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Listening to the music has a calming influence on her.

听音乐对她起了一种镇静的作用。

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Kevin's mother thinks the robot has had a calming influence, helping her son get along better with his friends.

VOA: special.2009.12.17

The strike acted as a calming influence and the Gunners created a slick try started and finished by winger Webster in the 22nd minute.

BBC: SPORT | Rugby Union | Welsh | Edinburgh 34-3 Connacht

"He was always a calming influence on the team and if stress took his life away, I find it difficult to believe, " said Donald.

BBC: Woolmer began his professional cricket career at Kent

Because of public radiation fears broadcast in the press after the Fukushima accident, Japan cut the limit in half hoping it would have a calming influence.

FORBES: Like We've Been Saying -- Radiation Is Not A Big Deal