keep a watchful eye on

常见例句

Originally set up to keep a watchful eye on the exiled emperor Napoleon on nearby St Helena, it was a thriving waystation at the time of Hooker's visit.
原先是用来对在附近圣赫勒拿的流放皇帝拿破仑进行监督，但在胡克造访时已是一个蓬勃兴旺的中途驿站。
As he'll probably start the season on the bench and his minutes are uncertain, you don't need to draft him, but keep a watchful eye on his minutes over the season's first few games.
虽然新赛季他可能会成为球队的替补球员，上场时间也不能得到保证，但是我们无需对他多言任何东西，就可以看见他在仅有的几场季前赛表现的多么卖力。
kidd200555.blog.163.com
Another reason is that they may have spent most of their life's savings paying for the wedding of their only child and therefore inevitably keep a watchful eye on their subsequent family life.
另一个原因是父母会将自己几乎所有的积蓄都花费在自己唯一孩子的婚礼上，所以就会不可避免德将关注他们的接下来的家庭生活。

People with type 1, or juvenile,diabetes must keep a watchful eye on their blood glucose levels because their pancreases are not working normally.

Risk managers, investors, and regulators should keep a watchful eye on these apparently safe, simple, transparent, and useful derivatives.
FORBES: UBS' $2B Man, Kweku Adoboli, And The Perils Of ETFs
One of the great protections for a freedom-loving people is government transparency—the ability of citizens to keep a watchful eye on their elected representatives.
FORBES: Big Brother Is Increasingly Watching You
Also keep a watchful eye on the Middle East.
FORBES: The Fed's Delicate Dance