22.to make a pig's ear of sth<非正式>将…搞砸
I probably failed because I made a complete pig's ear of my three-point turn.我或许没法通过了, 因为我在考三点掉头时彻底考砸了。
23.to play sth by ear
+ music(不看乐谱而)凭记忆演奏
Neil played, by ear, the music he'd heard his older sister practising.尼尔凭着记忆弹奏他曾听姐姐练习时弹的曲子。