The first was that he would never raise his voice.

第一，永不高声说话。

youdao

If they get rowdy, he'll raise his voice to embarrass 'em.

如果他们吵闹起来，老板就提高嗓门给他们难堪。

youdao

Never did I hear my father raise his voice in anger to my mother.

我从来没有听到过父亲大声、生气地对母亲说话。

youdao

If they tried to talk their way out of paying, his father would raise his voice.

NEWYORKER: Town of Cats

The first was that he would never raise his voice.

NEWYORKER: How David Beats Goliath

Rathmann, says Wiltsey, is too much of a "humanist" to bad-mouth colleagues, although he is emotional and has been known to raise his voice a few decibels, particularly when he's defending his company.

FORBES: Biotechnology All-Stars