check on

He had checked into the dilapidated Bayamo Hotel on schedule.

他按时住了破旧的贝阿莫旅社。

We're checking on how their food was.

我们常去看他们的伙食。

The police were checking up on what the man had told him.

警察正在对那个人所说的事彻底核。

They made frequent checks on his respiration,pulse and blood.

他们经常检他的呼吸、脉搏和血液。

Leaving some fields fallow provided a natural check on insect populations.

土地休耕是自然控制昆虫数量的办法。

The trainee checked out all right on his first flight.

受训者第次飞完全合格。