argue the toss
事已至此
A：I'm worried sick that she will leave me tomorrow.
A：一想到她明天就要离开我，我就担心得要死。
B: It's no use arguing the toss.
B：既然她已经决定如此，再争也没用。
A: Maybe I'll have to face the music.
A: 也许我不得不面对事实了。