tā / biǎo / miàn / shàng / dā / ying / de / hěn / tòng / kuài / qí / shí / yì / zhí / liú / xīn / yǎn / r

他表面上答应得很痛快，其实一直留心眼儿。

He readily agreed on the surface, but he was actually keeping his eyes open.