adv.无疑地，肯定地；大概
adj.无疑的，确定的
doubtlessly───确定地；adv.无疑地
debtless───无债务
doubles───n.双打；[矿业]双粒级煤；复制品（double的复数）；v.使加倍；复制；折叠（double的三单形式）；n.(Doubles)人名；(英)道布尔斯
doublets───n.紧身上衣；成对物；一对中的一个；n.(Doublet)人名；(法)杜布莱；(西)多夫莱特
doubters───n.抱怀疑态度的人；不信宗教的人；怀疑论者
doubtfulness───怀疑
doubleness───n.二倍；双重
doubtlessness───毫无疑问
double───adj.两倍的；成对的；（花）重瓣的；供两人用的；双重的；n.极相似的对应物；替身；供双人用的事物；双倍；（复数）双打（尤指网球）；（在同一赛季或年份两次获胜的）双料冠军；（棒球）二垒安打；（C语言的）双精度浮点数；v.加倍；对折；det.是……的两倍；adv.双重地；重叠的；pron.双倍数（或量）；n.（Double）（美）杜布勒（人名）
Viruses and logic bombs can doubtless do great damage under some circumstances.───病毒以及逻辑炸弹无疑会在某些情况下造成巨大损失。
His direct, often abrasive approach will doubtless ruffle a few feathers.───他那直截了当、常常很粗鲁的方式无疑会激怒一些人。
He will doubtless try and persuade his colleagues to change their minds.───他大概会尽力说服他的同事们改变主意。
No one else supported the scheme, and doubtless there was much to be urged against it as a practical proposition.───没有人支持这个计划，无疑还有很多人竭力反对，认为太不切实际了。
But Prime Minister Cameron would doubtless want to flourish some sort of concession to pacify the Eurosceptics in his own party and beyond.───但卡梅隆首相无疑将会想要在平息党内对欧盟的质疑方面有所作为，或许他想要的不仅于此。
yes . albert wrote to request me to come to the opera , doubtless that i might be a witness to the insult he meant to offer you .───是的，阿尔贝写信要求我到歌剧院来，无疑是要我做一个看见他侮辱您的见证人。
Ts'ui Pen was a fine novelist but he was also a man of letters who, doubtless, considered himself more than a mere novelist.───彭寂是个天才的小说家，但也是一个文学家，他绝不会认为自己只是个写小说的。
Doubtless, he was trying to demonstrate "change" by distinguishing himself from Bush, who could never quite put a finger on his mistakes.───毫无疑问，他寄希望于把自己同布什区分开，从而展示出“改变”——这一必将贯穿其总统生涯的格言。
As her husband was a man of means, and had doubtless returned by this time, could she not send them the money?───既然她的丈夫是一个有钱人，不用说现在已经回来了，她能不能给他们寄去这笔钱呢？
It will doubtless rain on the day of the garden party.