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.

we should give him one more DOSE.
Money Heist Season 1, Episode 6

But there's no way it could be.
lt has to deliver a concentrated DOSE.
Breaking Bad Season 4, Episode 4

And they gave you an elephantine DOSE.
Money Heist Season 3, Episode 6