make no progress 没有进步
in vain 徒劳
without success 未成功
in futile efforts 徒劳的努力
to no purpose 无目的地
1. He tried to fix the broken clock, but to no avail.
他试图修好那个坏掉的钟,但徒劳无功。
2. We searched for the lost keys everywhere, to no avail.
我们到处寻找丢失的钥匙,但没有找到。
3. She asked the manager for a discount, but to no avail.
她向经理请求打折,但无济于事。
4. The medicine helped to reduce pain, but to no avail in curing the disease.
药物有助于减轻疼痛,但在治愈疾病方面毫无效果。
A: I've tried calling him five times, but to no avail.
A:我给他打了五次电话,但都打不通。
B: Maybe he's on vacation. Try emailing him instead.
B:也许他在度假。试着给他发邮件吧。
1) 徒劳地
2) 没有效果地
3) 无济于事
1. 徒劳地;没有效果地
e.g.He knocked on the door, but to no avail.
他敲了敲门,但没有人应声。
adverbial phrase
1. without success or result; futilely.
Synonym: in vain, fruitlessly