Doubtlessly
“Doubtlessly”是一个副词，表示无疑地、肯定地，用来强调确定性，表示毫无疑问、肯定或确定。这个词强调无疑和肯定。
- She doubtlessly knew the answer. (她无疑知道答案。)
- The decision was doubtlessly correct. (决定无疑是正确的。)
- He doubtlessly would succeed. (他无疑会成功。)
“Doubtlessly”来自形容词 “doubtless”（无疑的），加上后缀 “-ly”（副词后缀）。
- 词根：doubtless（无疑的）
- 后缀：-ly（副词后缀）
“Doubtlessly”常用于强调确定性，表示毫无疑问，在正式和日常语境中经常使用。
- 形容词形式：doubtless（无疑的）
可以将 “doubtlessly” 与 “doubtless”（无疑的）联系起来，“-ly” 后缀将其变为副词形式。
When my friend aced the exam, I knew doubtlessly that she had studied hard - there was no question about it. Her success was doubtlessly the result of her dedication and effort. Using “doubtlessly” means you’re completely certain about something, with no room for doubt.
当我朋友考试得高分时，我无疑知道她努力学习——这是毫无疑问的。她的成功无疑是她的奉献和努力的结果。使用”无疑”意味着你对某事完全确定，没有怀疑的余地。