Definitely的用法為何？同義詞有哪些？

副詞：確定地、無疑地、肯定地

definitely agree with somebody
完全同意某人
例句：I definitely agree with your point of view.
我完全同意你的觀點。
be definitely + 形容詞
絕對…
例句：It’s definitely colder today than yesterday.
今天肯定比昨天冷。
definitely recommend something
絕對會推薦某物
例句：I would definitely recommend this book to my friends.
我肯定會向我的朋友推薦這本書。
be definitely worth the effort
絕對值得所付出的努力
例句：The experience was definitely worth the effort.
這次的經歷絕對值得所付出的努力。
definitely consider something
絕對會考慮某事物
例句：I’ll definitely consider your proposal.
我會絕對考慮你的提議。
will definitely remember something / to do something
絕對記得某事 / 絕對記得要做某事
例句：I’ll definitely remember to call you tomorrow.
我會絕對記得明天給你打電話。
definitely think (that) S V
絕對認為…
例句：I definitely think it’s a good idea to travel together.
我絕對認為一起旅行是個好主意。

She will definitely come to the party.
她肯定會來參加派對。
I definitely need more practice.
我絕對需要多練習。
He’s definitely the best candidate for the job.
他絕對是這份工作的最佳候選人。
I definitely prefer this design over the other.
我絕對更喜歡這個設計而不是另一個。
They definitely said they would be here by now.
他們明確地說過他們現在會在這裡(他們應該已經到達，但可能還沒有到，所以說話者可能感到有些驚訝或不滿)。
I’ve definitely gained weight over the holidays.
放假期間，我絕對變胖了(體重增加了)。
She’s definitely talented in singing.
她在唱歌方面絕對有才華。
This is definitely the best movie I’ve seen this year.
這絕對是我今年看過的最好的電影。
You should definitely visit that museum while you’re in town.
當你在城裡時，你絕對應該參觀那個博物館。

surely 確實地、毫無疑問地 adv. 強調確定或毫無疑問的情況。
例句：She surely knows how to solve the problem.
她當然知道如何解決這個問題。
absolutely 完全地、絕對地 adv. 強調某事物的完整性或確定性。
例句：It’s absolutely impossible to finish the task in one hour.
在一小時內完成任務是絕對不可能的。
unquestionably 毫無疑問地 adv. 強調確定或不會有爭議。
例句：This is unquestionably the best cake I’ve ever had.
這毫無疑問是我吃過的最好的蛋糕。
undoubtedly 毫無疑問地、確定地 adv. 強調事情的真實性或確定性。
例句：He is undoubtedly the most experienced person for the job.
他無疑是這項工作最有經驗的人。
positively 肯定地、絕對地 adv. 用於強調某事物的確定性或強度。
例句：She responded positively to the new proposal.
她對新提議作出了積極的回應。