kiss something goodbye

US /kɪs ˈsʌmθɪŋ ˌɡʊdˈbaɪ/
UK /kɪs ˈsʌmθɪŋ ˌɡʊdˈbaɪ/
"kiss something goodbye" picture
1.

さよならを言う, 諦める

to accept that you will lose something or that something will fail

:
If you don't study, you can kiss your good grades goodbye.
勉強しないと、良い成績にさよならを言うことになるよ。
After the company went bankrupt, we had to kiss our investments goodbye.
会社が倒産した後、私たちは投資にさよならを言わなければならなかった