閉ㄅㄧˋbì門ㄇㄣˊmén覓ㄇㄧˋmì句ㄐㄩˋjù

關起門來，單憑想像作詩。宋·黃庭堅〈病起荊江亭即事詩〉一○首之八：「閉門覓句陳無己，對客揮毫秦少游。」

英lit. lock the door and search for the right word (idiom); fig. the serious hard work of writing