Definition: used in order to warn someone to be careful Level: C1
当心那只狗。
___Beware of the dog.
你应该小心不要在阳光下待太久。
You should ___beware of spending too long in the sun.
虽然冲浪很有趣，但要当心危险。
Although it's fun to surf, ___beware of the dangers.
