Tā bǎ dàhǎo de qīngchūn děngxián dùguò le, xiànzài hòuhuǐ-mòjí.
He idled away the best years of his youth, and now his regret comes too late.
Tips
usage
Three senses, and most learners meet them in famous lines: 'ordinary, a mere trifle' in 万水千山只等闲, 'easily' in 等闲识得东风面, and 'idly, in vain' in 莫等闲,白了少年头. The set phrase 等闲之辈 'an ordinary person' is mostly used in the negative.