useless

中文意思

• adj. 无用的, 无效的, 差劲的

英文释义

• adj. having no beneficial use or incapable of functioning usefully

例句

1. adj. 无用的, 无效的, 差劲的

   I tried to fix the old clock, but it was useless because the main gears were completely broken.

   我试着修好那个旧钟表，但根本没有用，因为主齿轮已经彻底坏了。