| 例句 |
guard (against)verb to be cautious of or on guard againstunfortunately, you have to guard against theft while you're traveling beware (of), look out (for), mind, ware, watch out (for) attend, heed, mark, note, noticebehold, discern, observe, perceive, see, watch be on the lookout for, keep one's eyes open for(or keep one's eyes peeled for) discount, disregard, ignore, miss, overlook |