翻译是: I definately will not let you down.
解释:
definitely 英[ˈdefɪnətli] 美[ˈdefɪnətli]
adv. 明确地; 确切地; 一定地; 肯定地;
int. (表强烈的肯定) 当然;
[例句]I'm definitely going to get in touch with these people
我肯定会跟这些人取得联系。
let down 英[let daun] 美[lɛt daʊn]
[词典] 放下; 放低; 使失望; 失信;
[例句]But then to be let down like that, oh it's so unfair!
但是接下来竟让人如此失望,唉,这真不公平!
我一定不会让你失望的
-->> I definately will not let you down / i definately will not let you be disappointed.
满意请采纳,谢谢
I won't let you disappointed
I will not let you down