unserviceable
adj
(abbrs 缩写 US, u/s) (fml or joc 文或谑) that cannot be used because worn out, broken, etc (因破旧、 损坏等)不能使用的
an unserviceable bicycle, telephone, tin-opener, etc 已不能用的自行车、 电话机、 开罐器等.
🗣️ 情景例句
Don't waste your breath trying to persuade them, they'll never listen.
别白费口舌规劝他们,他们不会听你的话。
All the wit in the world is not in one head.
世界上所有的智慧不可能集中于一个脑袋。
'Now you get out of here, all of you!' he shouted.