The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

Protect the weak and UPHOLD the good.
Game of Thrones Season 3, Episode 1

I'm not gonna swear an oath
I can't UPHOLD.
Game of Thrones Season 7, Episode 7

I need to UPHOLD my vows.
Game of Thrones Season 4, Episode 2

I swear I will UPHOLD your name
and your tradition.
Game of Thrones Season 4, Episode 8

WOMAN:
l would like to make a motion
to UPHOLD the decision
Breaking Bad Season 4, Episode 3