Please keep close watch over the separator we overhauled just now.

请注意我们刚才检验过的那台分油机。

youdao

Be ever vigilant; keep close watch over your thoughts; extricate yourself from the mire of evil.

永远保持警觉；密切注意你的思维；从邪恶的泥沼中救出你自己。

youdao

When we barbecue, we are often entertaining family or friends. This distraction can lead to a fire hazard if you do not keep close watch on the barbecue as the fire burns.

我们做烧烤通常是为了招待家人或者朋友，所以期间很容易分心，这样就会留下安全隐患。

youdao

Well,I think it's that governments around the Gulf do actually keep a very close watch on their populations and on people coming in and out of their countries.

VOA: standard.2010.08.11

This year, with tensions heightened by the terse Saudi-Iranian exchange, 100, 000 security personnel have been mobilized to keep close watch.

CNN: Hajj masks Islamic differences

But are signs effective at reminding distracted parents to keep a close watch on their children?

FORBES: Do Deadly Distractions Lead To Drowning? - Parents Question Cruise Line Policy As Boy Remains In Coma

Montreal referee Yves Lavigne then moved over to keep a close watch on the challenger.

NPR: St-Pierre Manhandles Diaz At UFC 158