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。
Shared food and drink to no avail.
分享食物和饮料并没有什么用处。
但依然没有成功。
但这是徒劳的。
We opposed the proposal but to no avail.
我们反对这个提议，但没用。
I also hit his mouth, but all to no avail.
我也打他的嘴，但都没有用。
但这一切都无济于事。
I tried to persuade him to come, but to no avail.
我争取说服他来，但没有成功。
I tried to make them comfortable, but to no avail.
我试图让他们舒服，但是无济于事。
Wang tried to negotiate a solution, but to no avail.
王兴曾试图协商解决问题，但最终都以失败告终。
The man tries hard to jack the car, but to no avail.
那个男人努力想把汽车顶起来，但他的努力却是徒劳的。
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。
I tried to persuade her not to resign, but to no avail.
我劝她不要辞职，但她不听我的。
He said he had tried his best to help her but to no avail.
他说他曾尽力帮助过她，但毫无效果。
We tried and tried, but it was all to no avail: we failed.
我们一再努力，但这一切都无济于事：我们失败了。
Usually, they have tried all proven therapies, to no avail.
一般来说，他们已然尝试过所有经过验证的疗法，却徒劳无功。
Well, I know I am now, no matter what to say to no avail of!
好了，我知道我现在不管说什么也是没有用的了！
So the guard watched him ever more closely, but to no avail.
所以警卫更加小心地盯紧他，但是这样做完全于事无补。
They must have tried to heal the divisions, but to no avail.
他们一定曾经尝试过消除分歧，但收效甚微。
So the guard watched him ever more closely, but to no avail.
所以卫兵看他看得更紧了，但没有用。
We try to help, giving our time and soul, but it's to no avail.
我们试图付出时间和灵魂来帮助，但一切都无济于事。
He also called the New York police and asked, to no avail, for help.
他也给纽约警署报警并且要去其帮助，完全无用。
She tried her best to stop the bleeding, but it was to no avail.
她尽其所能地去停住流血，但并不成功。
Time and again he tried to pull his hands free, but to no avail.
他几次想把手解脱出来都没有成功。
The group tried to make the elk more comfortable but to no avail.
我们努力想让这只麋鹿舒服一些却徒劳无功。
Journal Zhenghun by my cousin, wronged a lot of money, but to no avail.
我表哥通过杂志征婚，冤枉钱花了不少，却没有成效。
Journal Zhenghun by my cousin, wronged a lot of money, but to no avail.
我表哥通过杂志征婚，冤枉钱花了不少，却没有成效。
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