wǒ / hái / yào / chǔ / lǐ / yì / xiē / gōng / zuò / nǐ / men / xiān / huí / qù / bú / yòng / děng / wǒ我还要处理一些工作,你们先回去,不用等我。I still have some work to handle, so you go back first and do not wait for me.