zhè / jià / gāng / qín / de / ruò / yīn / tà / bǎn / huài / le / xū / yào / jǐn / kuài / wéi / xiū

这架钢琴的弱音踏板坏了，需要尽快维修。

The soft pedal on this piano is broken and needs to be repaired soon.