形容词

1. The blunt knife is useless.
这把钝刀毫无用处。

2. I was useless at maths.
当时我的数学差极了。

3. I realized it was useless to reason with him.
我知道和他说理是毫无意义的。

1. 一无是处：直到新任统帅来到前线,下令撤退. 格兰特把农场换成了圣路易斯城里的一栋房子,和朱丽亚的一位表兄弟一起做房地产经济人,几个月后还是一事无成. 知道他们的人们开始议论,朱丽亚非人,尤里西斯(Ulysses) 应该被称为一无是处(Useless) .

1. 无用的；无价值的
If something is useless, you cannot use it.

e.g. He realised that their money was useless in this country...
他意识到他们国家的货币在这个国家一文不值。
e.g. Computers would be useless without software writers.
没有编软件的人，计算机就会毫无价值。

adj

1. having no beneficial use or incapable of functioning usefully

e.g. a kitchen full of useless gadgets
she is useless in an emergency