Your behaviours exercised a malign influence on the children.

你的行为对孩子们产生了不良的影响。

youdao

Since a bestselling book published in 1983 argued that freemasons exert a malign influence in public life, people have tried to force freemasons to declare themselves.

ECONOMIST: Freemasonry

That was enough for the new computers to have had a large (and apparently malign) influence on fourth-grade maths scores.

ECONOMIST: Not helpful