avail

[ə'veil]

v.有利, 有助于
n.益处

例句与用法:

He tried and tried but all his efforts were of no avail.

他试了又试,但一切努力都不起作用。

Your efforts will not come to no avail, if you can achieve something at last.

如果最后你能够有所成就,你的努力就不会白费。

This medicine is of no avail.

这药无效。

Such a statement will not avail.

这样的声明没有什么用。

词形变化:

副词: availingly | 动词过去式: availed | 动词过去分词: availed | 动词现在分词: availing | 动词第三人称单数: avails |

详细释义:

vi.

有用; 有益, 有帮助[(+against)]

The medicine did not avail against the disease.

该药对此病无效。

vt.

有用于; 有益于; 有助于

He availed himself of the opportunity to speak to her.

他利用这机会和她说话。

n.

1. 效用; 利益; 帮助[U]

Speeches and protests were of no avail.

演讲和抗议全都徒劳。

2. 【古】利润; (尤指卖掉财产后的)所得[P]


短语词组:

avail oneself of

1. 利用

I availed myself of this opportunity.

我利用了这一机会。

to no avail

1. 完全无用

They protested but to no avail.

他们提了抗议, 但毫无效果。

without avail

1. 徒劳地

We tried to revive him but without avail.

我们试图使他苏醒, 但没有成功。