President Obama has said officials are being watchful,not fearful.

VOA: special.2009.04.29

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

Under the watchful eye of Lebanese security forces, they urged the country's politicians to approve a draft law that would give them employment and property ownership guarantees.

VOA: standard.2010.06.29