準備好; 合乎規格He is an avid reader, and you may be sure that he is up to scratch. 他是一個讀起書來就廢寢忘食的人, 你可以相信, 他夠好。This piece of work is not up to scratch. 這件作品不合規格。
略懂皮毛, 不夠介入研究High school students have only scratched the surface of their subjects, and even college graduates find that they still have a lot to learn. 中學生對他們的課程只懂一點皮毛。即使大學畢業的大學生們仍發現他們還有許多東西要學習。This essay is so short that it can only scratch the surface of the topic. 這篇文章很短, 只能對這一問題作膚淺的探討。
