avail
英[ə'veɪl]
美[ə'vel]
- n. 效用，利益
- vt. 有益于，有益于；使对某人有利。
- vi. 有益于，有益于；使对某人有利。
词态变化
第三人称单数: avails;过去式: availed;过去分词: availed;现在分词: availing;助记提示
1、a- "to" (see ad-) + -vail- "be worth".中文词源
avail 有益，有用前缀a-同ad-, 去，往. 词根val, 力量，词源同value, valiant. 指有益的，有力量的。
英文词源
- avail
- avail: see value
- avail (v.)
- c. 1300, availen, apparently a French compound formed in English from Old French a- "to" (see ad-) + vailen "to avail," from vaill-, present stem of valoir "be worth," from Latin valere (see valiant). Related: Availed; availing. As a noun, from c. 1400.
双语例句
- 1. His efforts were to no avail.
- 他徒劳无功。
来自柯林斯例句
- 2. I apologized repeatedly, but to little avail.
- 我一再道歉，但丝毫没有奏效。
来自柯林斯例句
- 3. We tried to keep him alive but to no avail.
- 我们全力抢救他,但却徒劳无功.
来自《简明英汉词典》
- 4. They tried artificial respiration but it was of no avail.
- 他们试做人工呼吸,可是无效.
来自《简明英汉词典》
- 5. They entreated and threatened, but all this seemed of no avail.
- 他们时而恳求,时而威胁, 但这一切看来都没有用.
来自《简明英汉词典》