[rén gōng]
（人為的） man-made; artificial
man-made lake
人工湖
（人力） manual work; work done by hand
install machines to replace manual labor
用機器代替人工
We had to move water by a chain pump because the electric pump had broken down.
抽水機壞了， 只好用人工車水。
（工作量計算單位， 指一個人做工一天） manpower; man-day; a calculating unit of the amount of work done
How many man-days will be needed to construct this irrigation canal?
修這條渠道要多少人工?