2 sentences

1. 这位游侠四处流浪，行侠仗义。

   zhè wèi yóu​xiá sì​chù liú​làng, xíng​xiá​zhàng​yì.

   This knight-errant wandered about, championing justice for others.

   Source: Dong Chinese Dictionary

2. 这位大侠在江湖上行侠仗义，受人尊崇。

   zhè wèi dà xiá zài jiāng​hú shàng xíng​xiá​zhàng​yì, shòu rén zūn​chóng.

   This hero champions justice in the martial arts world and is highly respected.

   Source: Dong Chinese Dictionary