You must be crazy to go walking in such awful weather.
你一定是头脑发昏了,这么坏的天气还去散步。
From this we get the expression to make a beeline for someone or something, which means to go quickly along a straight direct course for someone or something.
从这里我们得到一条短语"to make a beeline for someone or something,意思是迅速地沿着一条直线向某人或某物走去。