| 例句 |
be on the lookout forphraseor keep a lookout for to be cautious of or on guard againstAfter the storm, the police told the public to be on the lookout for downed power lines. The public should remain vigilant and keep a lookout for any suspicious activity. beware (of), guard (against), look out (for), mind, ware, watch out (for) attend, heed, mark, note, noticebehold, discern, observe, perceive, see, watch keep one's eyes open (for)(or keep one's eyes peeled (for)) discount, disregard, ignore, miss, overlook |