单词详解

adj.

A. 无用的，无价值的 (not useful; not doing or achieving what is needed or wanted)

The blunt knife is useless. 这把钝刀毫无用处。

I realized it was useless to reason with him. 我知道和他说理是无用的。

It is useless to help him. 帮助他是没有用的。

It’s useless to reproach yourself. 自责是没用的。

It’s useless for us to continue. 我们继续做下去也无用。

It is quite useless cramming for examination. 考试临时抱佛脚是完全无用的。

B. 差劲的，(人)无能的（not very good at sth.; not able to do things well）

I was useless at maths. 当时我的数学差极了。

相关词组

1. be useless to do sth. 做某事无用

It is useless to flog a dead horse. 鞭打死马，无济于事。

It would be useless to try and convince them.

要去尝试说服他们是徒劳无功的。

It would be useless to explain. 毋须解释。

2. be useless doing sth. 做某事无用

It’s useless worrying about it. 为这事担心无济于事。

It is useless remembering words only. 只记单词是没有用的。

It is useless your trying to do that. 你试图那样做是无用的。

相关单词

反义词：useful

副词：uselessly

名词：uselessness