They have come into conflict, sometimes violently.

他们生成了矛盾，有时矛盾还非常猛烈。

youdao

He was always careful, but sometimes the water made him violently ill anyway.

他总是很小心，但有时还是水使他生病。

youdao

No one doubts that parents can inflict horrendous and sometimes fatal brain injuries on young children by violently shaking them.

所有人都确信，由于家长猛烈的摇晃小孩，可能使孩子遭受可怕的甚至有时会遭受致命的大脑损伤。

youdao

Other areas of rock look as if some huge creature violently broke and twisted the Earth to create unusual, sometimes frightening shapes.

VOA: special.2011.08.03

Mr Orban and his colleagues seem to have a worryingly soft spot for the racists and ultra-nationalists who took part, sometimes violently, in last month's demonstrations.

ECONOMIST: Central and eastern Europe