While nail biting is not generally harmful, if you attack the cuticles you can risk bleeding and bacterial infection.

虽然啃咬指甲通常不会使人受伤，但如果你咬伤了指甲周围的皮肤，仍然会导致出血并可能造成细菌感染。

youdao

If you attack him by innuendo, you'll be sued for libel.

如果你对他含沙射影，你将被控告为诽谤罪。

youdao

"what do you mean by whiteness,indigenous" "Why are you against mixed marriage" "Wait wait,if you all attack on different fronts we'll get nowhere."

VOA: standard.2009.10.23

So, if you want to attack urban air quality, this is probably moving in the wrong direction, OK?

所以如果你想攻击都市的空气质量，这可能是一个错误的方向，对吗？

麻省理工公开课 - 固态化学导论课程节选

You sort of attack somebody and they're laughing but if it's--but if somebody's trying to mug you you're not "Ah, this is so funny."

你假装打对方，对方会觉得很好笑,但如果有人抢劫你时,你不会觉得好笑“

耶鲁公开课 - 心理学导论课程节选

"If you attack and are daring you have more chances of winning, " said Guardiola, who also won the trophy as a Barcelona player in 1992.

BBC: Guardiola praises Barca bravery

Like if you had a heart attack, how quickly would you be treated at the hospital?

FORBES: How Better Data Prevented Heart Attack Deaths

The study, published in the Journal of the American Medical Association, shows you're more likely to have a second heart attack if you work in a stressful job.

CNN: My job's giving me a heart attack!