Hit the right note:
Speak or act in a way that has a positive effect on people.
“Hit the right note（击中正确的音符）” 是一个实用的短语，它既可以用来描述某人 “唱歌或演奏时音准动听”，也可以用来表示 “某人的言行举止恰当、得体，对在场的人产生了积极的影响”。
例句
Classy, funny, and inspiring – the actor hit the right note with his acceptance speech.
优雅、风趣又鼓舞人心，这位演员的获奖感言恰到好处。
She managed to hit all the right notes throughout her performance in the opera.
她在这部歌剧的整个演出过程中唱得音准无误，非常完美。
Felix hit all the right notes in his piano exam.
费利克斯在他的钢琴考试中表现出色，达到了所有的要求。
