他的声音正变得难听,他试图阻止它,但是白费力气的翻译：His voice is getting nasty, he tried to stop it, but in vain 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

His voice is getting nasty, he tried to stop it, but in vain

His sound is becoming coarse, he attempts to prevent it, but wastes the strength

His voice is becoming more sympathetic, he tried to stop it, but vain

His voice is getting nasty, he tried to stop it, but in vain