tune /tjuːn, tʃuːn/ a series of musical notes, especially one that is pleasant and easy to remember 曲调，曲子;旋律 我们通常觉得某首歌洗脑，某种程度上就是说这首歌的一段旋律非常容易上口。“上口的旋律”用英语就可以表达成catchy tune，非常容易记并且还挺好听的旋律。 例： It's a very catchy tune (= easy to remember and pleasant). 这是一首很容易上口的曲子。 She was humming a tune as she entered the room. 她边哼着调子边走进了房间。 hum /hʌm/ v. 哼（曲子） out of tune singing or playing notes that are at the wrong pitch (= level) or that do not agree with others being sung or played 唱或弹的音符或音高不正确，或与别人唱或弹的音符不一致；走调 The guitar is out of tune. 恐怕这把吉他走调了。 tune (sb/sth) out to ignore someone or not give your attention to something or to what is happening around you 忽略某人或不把你的注意力放在你周围发生的事情上；不理睬，对…置之不理 Most of what she says is such garbage that I just tune her out. 她讲的全是废话，所以我干脆不去理睬。