cāi
猜谜语
cāi mí yǔ
guess riddles; solve riddles
你猜谁来了？
nǐ cāi shéi lái le?
Guess who came?
他的心思我猜不透。
tā de xīn si wǒ cāi bù tòu
I can't figure out what he's thinking; I can't read his mind