1 sentence

1. 面对对方的无理挑衅，他决定以牙还牙。

   miàn​duì duì​fāng de wú​lǐ tiǎo​xìn, tā jué​dìng yǐ​yá​huán​yá.

   Faced with the opponent's unreasonable provocation, he decided to give them a taste of their own medicine.

   Source: Dong Chinese Dictionary