definitely
adv. 肯定地，当然；明确地，确定地
比较级 more definitely
最高级 most definitely
例句
I definitely remember sending the letter.
我记得这封信肯定发出去了。
《牛津词典》
This site is definitely worth bookmarking.
这个网站绝对值得设电子书签。
《柯林斯英汉双解大词典》
The exam was impossible! I definitely bombed it.
考试太难了！我肯定考砸了。
