Before i could come to any conclusion it occurred to me that my speech or my silence, indeed any action of mine, would be a mere futility . 还不等我决定是谈还是不谈，我就看出来了，说也罢，或者沉默也罢，我的任何其他行动都不过是徒劳。
It is lost labour to sow where there is no soil 没有土壤，播种同时同时也是徒劳。
And therefore w is banging on a closed door 因此，华盛顿政府在作徒劳的努力。
It is vain to attempt to root out heresy by force 试图用暴力消除异端邪说是徒劳的。
I advised him to give up smoking , ? but in vain 以上三句都译为：我劝他戒烟，但徒劳。
Day after day she waited in vain for him to call her 日复一日,她徒劳地等待他的电话
The stronger the will , the more futile the task 这种意志越是强烈，这种尝试越是徒劳。
I am trying ineffectually to approach moldorf 我徒劳地企图接近莫尔多夫。
That ' s more of a reason why it ' s not possible 这些理由更说明求援是徒劳的
