zhè / tiáo / shuǐ qú / nián jiǔ shī xiū / bì xū / jǐn kuài / jùn xiè / cái néng / huī fù / tōng shuǐ

这条水渠年久失修，必须尽快浚渫才能恢复通水。

This canal has been neglected for years and must be dredged as soon as possible to restore water flow.