tā / kàn / zhe / wǒ / sì / xiào / fēi / xiào / ràng / wǒ / yì / shí / cāi / bu / tòu / tā / de / zhēn / shí / xiǎng / fǎ

她看着我似笑非笑，让我一时猜不透她的真实想法。

She looked at me with an ambiguous smile, so I could not figure out what she really thought.