[词语]to know the ropes
to learn the ropes
[含义]熟悉内情;懂的秘诀;很在行
[趣释]【物事喻指】成语“认识绳索”(to know/learn the rope)从航海用语中引申而来。“绳索”(ropes)意指航船上帆桅(试读)...