无用的, 无效的, 无益的
无用, 无价值, 无效
adj.having no beneficial use or incapable of functioning usefully
○ a kitchen full of useless gadgets
○ she is useless in an emergency
A white elephant possession that is useless and often expensive to maintain
She suffers from lockedin syndromea profound apraxia caused by brain damage that renders her body useless and her voice mute
In any case the truth will be sure to come out, and you will find it useless to screen yourself behind evasion and denials
This furniture is so old and useless that you might AS well chop it up for firewood
Alas. There the nasty sorry useless stuff lay; I had no manner of business for it
and there pour forth jejune words and useless empty phrases(Anthony Trollope)
Let the irons BE heated," said the doctor; "but really it is a useless precaution.
The idle, useless man, no matter to what extent his life may BE prolonged, merely vegetates.
It would be useless to call him a CAD for giving a woman away
Her doctors DID not hold any hope; they told us her time was up. It was useless to put in a feeding tube, they said;she would never awaken.