"three-ply cord"
"four-ply yarn"
"The hostess provided lunch for all the guests"
"Ply one's trade"
"Ships ply the waters near the coast"
"ply fabric"
"ply an axe"
"ply your wits!"
Ere half these Authors be read (which will soon be with plying hard).
出自: Milton
I plied at Cicero and Demosthenes.
出自:New Monthly Magazine