keep your eyes peeled
保持警惕，密切关注
口语·提醒注意周围
英文释义
to stay vigilant or alert, to pay close attention to one's surroundings
例句
Keep your eyes peeled for the delivery truck; it should be here any minute.
典故来源
源自19世纪航海用语，水手需剥开眼睑（peel）以保持警觉瞭望，后引申为密切注意。