His mother kept a watchful eye on him.

他的母亲特别留心他。

《牛津词典》

A close-up shows the watchful eye of a Gaboon viper, Africa's largest viper.

这张特写显示了非洲最大的毒蛇加蓬蝰蛇警惕的眼睛。

youdao

Watchful waiting costs just a few thousand dollars, in follow-up doctor visits and tests.

在后续的医生访问和检验中，观察等待成本只有几千美元。

youdao

He also says parents can help create a healthy emotional life for small children by being watchful and responsive to their needs.

VOA: special.2011.08.10

Crito is named for a friend and disciple of Socrates who at the outset of the dialogue is sitting as a watchful guardian over his mentor.

克里托篇》的命名源自,苏格拉底的一名朋友及信徒,在对话之初,就诚心守护着他的这位良师益友。

耶鲁公开课 - 政治哲学导论课程节选

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

VOA: standard.2010.04.15

K-Rep clients meet once a week under the watchful eye of a K-rep officer who is making sure that everyone has turned up - with the amount due back that week.

BBC: In the black: Credit revolution in Kenya

As a public company he would labor under the watchful gaze of a board of directors.

FORBES: Private business

Its power to generate wealth and expand freedom is unmatched, but this crisis has reminded us that without a watchful eye, the market can spin out of control - and that a nation cannot prosper long when it favors only the prosperous.

NPR: Obama Vows To Tackle Challenges