I know I made a promise to Mitchell,我知道我向米奇尔保证过

make a promise答应； 允诺

If you make a promise you should keep it; you ought not to break a promise.

如果你作出了承诺，你就应该遵守诺言，不应该食言。

If you make a promise, you should fulfil it.

你苦是作出允诺，就必须履行。

That did not make me feel better. 那只会让我更加担心

feel better感到好些

A good weep would probably make you feel better.

你痛痛快快哭上阵也许就好受些了。

I hope you'll soon feel better.

希望你的身体很快会好转。

I need you step it up a notch.我需要你升级一下恐怖程度

step up增加； 加快； 提升； 升高

I hope you try to get them to step up production.

希望你们尽力使厂家增加生产。

When do you get your next step up? ie When will you be promoted?

你何时晋级?