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.

I still remember how you smiled
when I put that doll in your CRADLE.
Game of Thrones Season 5, Episode 4

Shit, the Cradle.
Westworld Season 2, Episode 7

The Cradle can't influence
the Mesa's infrastructure.
Westworld Season 2, Episode 6

But let me CRADLE you
in my arms a last time,
Vikings Season 1, Episode 8

Goldberg:
The Cradle is down. Top,
what's your status?
Westworld Season 2, Episode 7