How to cheat learning emojis. Go to Google. Type in English to Emoji converter. Go to one of those websites and voilà.

You can sometimes also Type in [your feeling to convey] emoji. Hit enter.

Or, How do you say ["sentence"] in emoji? Hit enter.

Copy/paste the appropriate results into your chat or document or what have you.

No point in memorizing something by rote that will be gone in a generation or two.