1 sentence

1. 一滴眼泪沿着老人的脸颊淌了下来。

   yī dī yǎn​lèi yán​zhe lǎo​rén de liǎn​jiá tǎng le xià lái.

   A tear trickled down the old man's cheek.

   Source: AI Challenger 2017