一課譯詞:板上釘釘發佈於: 經典2020-06-13標籤: 板上釘釘譯詞forwardslate Photo by asim alnamat from Pexels “板上釘釘”,漢語成語,本義指在石板上釘上鐵釘(nail the slate with nails),比喻事情已經決定,不能改