捉摸

hěn nán zhuō mō tā jiǎng huà de hán yì

很难捉摸他讲话的含义。

It is difficult to fathom what he is trying to say.

wǒ zhuō mō bù tòu tā de yán wài zhī yì

我捉摸不透她的言外之意。

I couldn't figure out what she implied.

zhè dào dǐ shì zěn me huí shì lìng rén rú cǐ zhuō mō bù tòu

这到底是怎么回事，令人如此捉摸不透。

It's hard for me to make head or tail of what has happened.

bù kě zhuō mō

不可捉摸

unfathomable

nán yǐ zhuō mō

难以捉摸

difficult ascertain

zhuō mō bù dìng

捉摸不定

difficult to ascertain