Even today the Gitga'at and Kitasoo/Xai'xais people keep a watchful eye on their bears during hunting season.

即使到了今天，吉特盖特人和科塔索赛赛（Kitasoo/Xai'xais）人到了狩猎季节还在留心他们的精灵不被盗猎。

youdao

From that booth the men could watch the crowd at the pool tables and keep a watchful eye on Alexi near the cash register, and Nicolo drawing beers behind the bar.

从那个隔间可以看到台球桌旁那群人，同时还能盯着收银台附近的亚历克西和正在吧台后倒啤酒的尼科洛。

youdao

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。

youdao

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

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

All this means that frequent travellers need to keep a watchful eye on how much they are actually moving when they are travelling.

BBC: Overweight frequent flyers

Also keep a watchful eye on the Middle East.

FORBES: The Fed's Delicate Dance