市民们得到通知，要提防夜间的突然袭击。 The citizens were warned to be on guard against a sudden night attack.
低智商者指智力水平在三岁小孩以下，听不懂连贯话语，也不会提防普通危险的智力有严重障碍的人。这个词现在已不用来区别人的类型，现在被认为有对人不友好的意思 A person of profound mental retardation having a mental age below three years and generally being unable to learn connected speech or guard against common dangers. The term belongs to a classification system no longer in use and is now considered offensive.
我想劝告你提防克文，自从你抢走了他的女朋友以来，他一直在寻找机会报复你。 I would advise you to be wary of Kevin; he's been gunning for you since you stole his girlfriend.
在民俗化的热潮中，要提防不同文化的冲突。 In the rush to go folkloric watch out for collision of cultures.