unpleasant to the ear
英 美
The kind advices are often unpleasant to the ear.
好言常常不入耳。
What most works for one's growth is honest advice unpleasant to the ear.
最有助于一个人成长的是逆耳忠言。
It also ruins the tonal quality of the piano, making it harsh and unpleasant to the ear.
它同时还会毁了钢琴的音质,让声音变得刺耳、让人感到不舒服。