You use doubtless when you want to say that something is almost certain — you are very sure, or you want to sound sure.

You use doubtless你會用 doubtless when you want to say當你想表示 that something is almost certain某件事幾乎是肯定的 — you are very sure你非常確定, or you want to sound sure或是你想聽起來很確定.

It often sits before the main idea: “Doubtless they will come,” or after the person: “She will doubtless be late.” Though actually, it is not as hard as “no doubt at all.” Speakers often use it when they feel almost sure, or when they want to sound calm and certain, even if a little room for surprise is still there.

It often sits它常常放 before the main idea在主要意思之前: “Doubtless they will come,”像「Doubtless they will come」, or after the person或放在人稱之後: “She will doubtless be late.”像「She will doubtless be late」. Though actually雖然其實, it is not as hard as它沒有 “no doubt at all.”「no doubt at all」那麼肯定. Speakers often use it說話者常常用它 when they feel almost sure當他們覺得幾乎確定, or when they want to sound calm and certain或是想聽起來冷靜篤定, even if a little room for surprise is still there即使還留有一點意外的空間.

It is a little formal and a little old-fashioned; in easy talk people more often say “I’m sure,” “probably,” or “no doubt.” There is also an older adjective use, “a doubtless fact,” but you will almost always meet it as this “almost certainly” word.

It is它 a little formal and a little old-fashioned有點正式也有點老派; in easy talk在輕鬆的口語裡 people more often say人們更常說 “I’m sure,” “probably,” or “no doubt.”像「I'm sure」、「probably」或「no doubt」. There is also還有 an older adjective use一種較舊的形容詞用法, “a doubtless fact,”像「a doubtless fact」, but you will almost always meet it但你幾乎都會遇到它 as this “almost certainly” word用作這個「幾乎確定」的意思.

It does not mean “I have doubts.”

It does not mean它不是指 “I have doubts.”「我有疑慮」的意思.