H. R. L.
Trin. Coll.
_Mind your P's and Q's._--What is the origin of this phrase? I have heard
one solution of it, but wish to ascertain whether there is any other?
Notes and Queries, Number 78, April 26, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. · 第 65 / 148 题