on the knocker
立即、確切地支付或做某事
口語(yǔ)·強(qiáng)調(diào)立即支付或現(xiàn)金交易
英文釋義
to pay for something immediately or in cash when it is delivered or completed
例句
He paid for the car on the knocker, no financing needed.
典故來(lái)源
可能源于上門(mén)推銷員敲(knock)門(mén)后立即交易,強(qiáng)調(diào)當(dāng)場(chǎng)付現(xiàn)。