This will have bad effect on their whole life.

这对他们的一生会有不好的影响。

youdao

Bad programmes on TV may have bad effect on children.

在电视里不好的节目可能已经影响了孩子们。

youdao

In a long time, it may have bad effect on their life.

长久下去，这会对他们的生活造成影响。

youdao

This will have a bad effect on the mountain's ecosystems and on Tanzania's travel industry.

VOA: special.2009.04.22

Mohammed Azad, chairman of the Central Scotland Islamic Centre, attended by Siddique, said he hoped the outcome of this case would not have a bad effect on the local Muslim community.

BBC: NEWS | UK | Scotland | Tayside and Central | Praise for town's terror response

It's completely irresponsible, because it's actually a force for bad, because the - it does have a demoralizing effect on the staff.

NPR: British Treatment of Injured Soldiers Questioned

This protein (a member of a group called the lectins, that is being tested for insecticidal properties) was already known to be bad for the immune system, so its effect on the rats would hardly have been a surprise to anyone with a knowledge of the field.

ECONOMIST: Potato-heads