좋은 노래도 장 들으면싫다 -- I hate listening to something again and again, even if it is good.

This expression is used to say that no matter how good something is, you can get sick of it if you do it repeatedly. (아무리 좋은 것이라도 늘 하면 싫증이 난다는 뜻)

[edit] See also

• 좋다 to be good
• 노래 a song
• 듣다 to listen to
• 싫다 to be unpleasant