2 sentences for 半边 (bàn​biān)

1. 这半边西瓜很甜。

   zhè bàn​biān xī​guā hěn tián.

   This half of the watermelon is very sweet.

   Source: Dong Chinese Dictionary

2. 由于牙痛，他半边脸都肿了。

   yóu​yú yá​tòng, tā bàn​biān liǎn dōu zhǒng le.

   Half of his face is swollen due to a toothache.

   Source: Dong Chinese Dictionary