on the (或 one's) slate

(Brit.)to be paid for later; on credit

(英)賒賬的

‘Five quid,’ said the barman. ‘Put it on my slate,’ I suggested.

“五磅，”酒吧男招待說?！坝浽谖屹~上，”我建議道。

wipe the slate clean

‘Five quid,’ said the barman. ‘Put it on my slate,’ I suggested.

“五磅，”酒吧男招待說?！坝浽谖屹~上，”我建議道。