headache

1. N-COUNT If you have a headache, you have a pain in your head. 头痛

I have had a terrible headache for the last two days. 最近两天我犯了严重的头痛病。

2. N-COUNT If you say that something is a headache, you mean that it causes you difficulty or worry. 棘手的事

The airline's biggest headache is the increase in the price of aviation fuel. 令航空公司最头疼的问题是航空燃料价格的上涨。