verb, preposition · to trap, surround, or leave someone stranded in a difficult situation

大雪将游客们困在山顶上。

adjective, verb · feeling the need or desire to sleep; drowsy or tired

我太困了，就在沙发上睡着了。

verb · to be in a state of extreme difficulty or destitute circumstances

他被生活所困，日子过得很艰难。