1 sentence for 头疼 (tóu​téng — troublesome)

1. 这两件事夹杂在一起，让他感到非常头疼。

   zhè liǎng jiàn shì jiā​zá zài yī​qǐ, ràng tā gǎn​dào fēi​cháng tóu​téng.

   The two things were jumbled together, giving him quite a headache.

   Source: Dong Chinese Dictionary