我向你们保证，我不会让你们失望的。

I Promise You I Will Not Let You Down.

youdao

我知道你们不会让我失望的。

I know you won't let me down!

youdao

我知道你们不会让我失望的。

I know you won't disappoint me.

youdao

保护会带来更多繁荣和力量。我会用我的每一分力量为你们战斗。我不会让你们失望。

Protection will lead to great prosperity and strength. I will fight for you with every breath in my body, and I will never ever let you down.

youdao

武藏：我知道的！谢谢，各位！不用担心。我不会让你们失望！

Musashi: I know I can. Thanks, all of you! Don't worry. I won't let you down!

youdao

我保证不会让你们失望的。

I am sure that you'll not be disappointed.

youdao

我不会做任何让你们失望或感到羞耻的事情。

I will never do anything that would make you feel disappointed or ashamed.

youdao

亲爱的爸爸妈妈，请照顾好自己，请别我为我担心！我一定不会让你们失望！我每天都在成长和学习！

Dear mom and dad, please take good care of your health. Don't worry about me. I will not disappoint you! I'm growing and learning every day!

youdao

我会养成良好的习惯，并且利用它们不断完美自己，我不会做任何伤害身体的事情，我也不会做任何让你们失望或感到羞耻的事情。

I will be happy, confidence, positive and energetic everyday! I will develop good habits and use them to constantly improve myself. I will never do anything that would harm my body or my mind.

youdao

我会养成良好的习惯，并且利用它们不断完美自己，我不会做任何伤害身体的事情，我也不会做任何让你们失望或感到羞耻的事情。

I will be happy, confidence, positive and energetic everyday! I will develop good habits and use them to constantly improve myself. I will never do anything that would harm my body or my mind.

youdao