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

1.
告別, 放棄
to accept that you will lose something or that something will fail
:
•
If you don't study, you can kiss your good grades goodbye.
如果你不學習,你就可以和你的好成績說再見了。
•
After the company went bankrupt, we had to kiss our investments goodbye.
公司破產後,我們不得不放棄我們的投資。