谨防jǐnfángTop 40000Meanings1. to guard against2. to beware ofCharacters used谨cautious防to protectExamples1因为yīnwèi酷暑kùshǔ一直yīzhí持续chíxù着zhe，请qǐng谨防jǐnfáng食物中毒shíwùzhòngdú。Hot weather will continue, so please watch out for food poisoning.