谨防: guard against; beware of; be alert to; be cautious of 短语和例子谨防有误 caution oneself against error; 谨防漏气 beware of fume; 谨防赝品 beware of imitations; 谨防恶犬。 beware of vicious dog. 谨防扒手。 beware of
谨防暗箭: guard against a hidden arrow -- to take precautions against a covert attack
