Take no notice of what he says.

别理会他说的话。

《牛津词典》

You have to try to take no notice of them and keep working.

你必须尽量不去理会他们，继续工作。

youdao

An arctic tern, on its 20,000 km flight from the extreme south of South America to the Arctic circle, will take no notice of a nice smelly herring offered from a bird-watcher's boat along the way.

北极燕鸥在从南美洲的最南端飞往北极圈的路线全长2万公里，但燕鸥这一路上都不会留意观鸟船送来的散发臭味却又可口的鲱鱼。

youdao

Mr Albert also stresses that the reasons why teenagers get pregnant and carry a baby to term are much more complicated than the content of sex education lessons - and notes that many young people take no notice of what they are taught at school.

BBC: NEWS | Americas | Chastity pressed on US teens

But when told the odds of divorce are almost 1 in 2 we take no notice.

CNN: Why we fool ourselves into optimism

No one in the owner class seems to take notice, however, even after the collapse of Bear Stearns in March.

WSJ: Book Review: Grand Ambition