kiss something goodbye
US /kɪs ˈsʌmθɪŋ ˌɡʊdˈbaɪ/
UK /kɪs ˈsʌmθɪŋ ˌɡʊdˈbaɪ/

1.
포기하다, 작별을 고하다
to accept that you will lose something or that something will fail
:
•
If you don't study, you can kiss your good grades goodbye.
공부하지 않으면 좋은 성적은 포기해야 할 거야.
•
After the company went bankrupt, we had to kiss our investments goodbye.
회사가 파산한 후, 우리는 투자금을 포기해야 했다.