adv.很可能地，几乎肯定地

doubtless ad → 无疑地；很可能；颇有可能；没有疑难地
Doubtless Bay → 放心湾；道特利斯湾；无疑湾
Doubtless One → 无疑尊者
doubtless a → 无疑的
doubtless certainty → 毋庸置疑的
out of question doubtless → 毫无疑问的
affirm doubtless → 肯定地证实
doubtless s ad → 无疑地

1. Doubtless he was justified in some of his criticism of the media.
[汉]他对媒体的一些批评性言论无疑是合乎情理的。
——来自柯林斯例句
2. Viruses and logic bombs can doubtless do great damage under some circumstances.
[汉]病毒和逻辑炸弹在某些情况下无疑会造成巨大危害。
——来自柯林斯例句
3. His direct, often abrasive approach will doubtless ruffle a few feathers.
[汉]他那直截了当、往往还粗鲁生硬的办事方式无疑会激怒一些人。
——来自柯林斯例句
4. She took off her shoes, doubtless because her feet hurt.
[汉]她脱掉了鞋子，大概是因为脚疼。
——来自柯林斯例句
5. He'd doubtless heard rumours on the grapevine.
[汉]他无疑是听到了小道消息。
——来自柯林斯例句

【Adverb】

1. with certainty;
"it's undoubtedly very beautiful"