VOA慢速英语:Dictionary.com's New Words to the Wise

inappropriate - adj. not right or suited for some purpose or situation

struggle bus - slang. a situation, task, etc., that seems difficult or frustrating

frustrating - adj. causing feelings of annoyance or anger

superfood - n. a food considered very good for one’s health

slay - slang. to impress strongly, often by humor

mic drop - slang. 1) something, especially a statement or action, that displays confidence;2) the act of intentionally dropping one’s microphone at the end of aspeech or performance, displaying a bold confidence that it has been very impressive or cannot be topped.​

smackdown - slang. a severe criticism or defeat