She cast a sidelong glance at Eric to see if he had noticed her blunder.

她偷偷斜扫了埃里克一眼，看他有没有留意到她的错误。

《牛津词典》

I cast a sidelong glance at him.

他一看便知她一直在哭。

youdao

It cast a sidelong glance at the fence, lowered its neck and lunged at the fence, hoping to knock it down.

嶐公羊斜着眼睛看看，便弯下脖子呼的一声撞上去，想把篱笆撞倒。

youdao

After hanging up, I cast a sidelong glance at my profile in the glass booth.

NEWYORKER: Sweetheart Sorrow