He often plays the fox and I am to keep an eye open.

他经常玩小聪明，我得提防着点。

youdao

He had suggested that we might keep an eye open for any large or colorful spiders.

他建议我们留心色彩艳丽或大的蜘蛛。

youdao

So seals and dolphins as well as large fish and turtles need to keep an eye open at all times.

所以海豹、海豚、海龟和其它大鱼都要时刻提防它们。

youdao

The next time you watch a 1940s film, keep an eye open for the many times everybody on camera is smoking furiously.

BBC: NEWS | UK | Magazine | A Point of View

Lots of middle-class liberals came from as far away as California and New York to show first-time voters how to use punch-card machines, and to keep an eye open for any signs of voter intimidation.

ECONOMIST: A contrast in vote-pulling strategy

Anyone serious about their career will always keep an eye and an ear open.

FORBES: Own Your Career, Stop Waiting on a Savior