1·His efforts were to no avail.
他的努力是徒劳的。
—— 《柯林斯英汉双解大词典》
2·The doctors tried everything to keep him alive but to no avail.
医生千方百计想使他活下来，但无济于事。
—— 《牛津词典》
3·He had the receptionist almost jumping through hoops for him. But to no avail.
他让接待员为他几乎饱经折磨，但根本没有用。
—— 《柯林斯英汉双解大词典》
4·I pleaded, but to no avail.
我苦苦哀求，但无济于事。
5·Her powers of persuasion were to no avail.
她的说服力没有起到作用。
6·We opposed the proposal but to no avail.
我们反对这个提议，但没用。
7·All to no avail.
但这一切都无济于事。
8·Mr Pan deleted his original blog post but to no avail.
潘石屹先生后来删除了原先的微博，但于事无补。
9·America has invited the Russians to join in, to no avail.
虽然美国已经邀请俄罗斯参加，但是被拒绝了。
10·I searched everywhere, including in the car, to no avail.
我到处都找遍了，连车里都找过了，但是什么也没找到。