1.
Having no value, use, merit, or virtue.
无价值的、无用的、无优点的或无美德的
2.
talking idly or incoherently.
说话无用的或无条理的。
3.
a futile effort; the therapy was ineffectual; an otiose undertaking; an unavailing attempt.
无用的努力；这个治疗方法没有效果；无用的承诺；无用的尝试。
4.
Objectionable or worthless.
令人不快的或无用的
5.
useless or boastful talk
无用的或吹嘘的话5
6.
The output would be useless.
输出的结果是无用的；
7.
something of little value or significance.
无用或无价值的东西。
8.
a thing for of ] naught
无用无价值]的东西
9.
a thing for [ of ] naught
无用[无价值]的东西
10.
make useless by the force of water.
利用水的力量使……无用。
11.
Something that is vain, futile, or worthless.
无价值的东西空虚、无用或无价值的东西
12.
A drinking bowl without handles.
无柄酒杯一种无柄的饮酒用的碗
13.
There are no limits to the development of science and technology or to the effect they can have.
科学技术的发展和作用是无穷无尽的。
14.
Cell - free, sterilized blood plasma, used in transfusions.
血浆用于输血的无细胞的无菌血浆
15.
My evidence would be good for nothing.
我的证明是毫无用处的。
16.
at the same speed unless they are acted on by force.
如果无外力的作用的话。
17.
worn until no longer useful.
破旧的无法再使用的。
18.
he was overwhelmed with gratitude for their help.
无尽的感激无法用言语来表达。