tā / zuǒ / yòu / gòng / lì / xiě / zì / shí / huàn / yòng / nǎ / zhī / shǒu / dōu / hěn / liú / chàng

他左右共利，写字时换用哪只手都很流畅。

He is ambidextrous and writes fluently with either hand.