Q1. When we speaks between 31 and 34 in age, I knew we can use "in the early 30s" or "in the beginning of thirties" between 36 and 39 in age, also use " in the late thirties" or "In the end of thirties" We say e g She is in her early thirties / her mid-thirties / her late thirties. Not 'beginning' or 'end'.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.