Tā / duì / zhè / xiàng / gōng / zuò / fēi / cháng / shú / xī / wán / chéng / rèn / wu / de / sù / dù / zì / bù / bì / shuō

他对这项工作非常熟悉，完成任务的速度自不必说。

He is very familiar with this work, and it goes without saying that he completes tasks quickly.