tā / biǎo miàn shàng / dā ying / bāng máng / xīn lǐ / què / dǎ zhe / zì jǐ de / xiǎo suàn pán

他表面上答应帮忙，心里却打着自己的小算盘。

He agreed to help on the surface, but he was secretly making his own selfish calculations.