Another thing to note is that the original example uses "x|y|z" with the braces. So each replacement should be in that format with three alternatives. If a word can't be replaced with three synonyms, it's left as is.
Next: "Record yourself: Record yourself speaking Korean and listen to the recordings. Identify areas for improvement and work on them." Another thing to note is that the original
"Be well on your way" – breaking down: "be" could be "are, exist, remain." "Well" as "adequately, effectively, sufficiently." "On your way" – "progressing, heading, advancing." Then "to sounding" – "to seem, to appear, to resemble." "Like a native Korean speaker" – "like a fluent Korean speaker, like a native Korean speaker, like an authentic Korean speaker." Wait, "native" is the proper noun here? No, "Korean" is the proper noun. "Native" is the adjective. So I can change "native" to "fluent, authentic, original." Next: "Record yourself: Record yourself speaking Korean and