argue the toss

US /ˈɑːrɡju ðə tɒs/
UK /ˈɑːrɡju ðə tɒs/
"argue the toss" picture
1.

争论, 争辩已定的事

to dispute a decision or choice that has already been made, especially when it is too late to change it

:
It's no use arguing the toss now, the deadline has passed.
现在争论已经没用了,截止日期已经过了。
The manager made his choice, so don't even try to argue the toss.
经理已经做出了选择,所以别想争论了。