hard-on

The police are hard on the track of the gangster.

警察踪那名匪徒。

Don't bear hard on the pencil, it will break.

别使劲压铅笔, 然会断。

The Fraud Squad are hard on her track and she's trying to get out of the country.

弗劳德踪她, 而她企图逃到国外去。

Keeping irregular hours is hard on children, so try to set a regular bedtime and regular morning time.

作息时间对孩子好，应该遵守有的作息时间。

One moment the professor is working hard on a problem in physics, the next he’s gone off at a tangent and he’s talking about bees.

前一分钟教授还努力解答一道物理题，下一分钟他就突然开始讲起蜜蜂来。

The boss begs seat Edward overseeing in person in stokehold in a hundred ways immediately please do not be too hard on me this time, right now discharge of contract.

老板立即苦苦哀求坐炉前亲自监工的爱德华高抬贵手，马上取消合同。