Which means...
月並みな
むだであるさま
心の狭い.
些細なさま
うわべでは
to suit one's fancy―suit one―please one―to be agreeable to one―acceptable to one―satisfactory to one―to one's taste―to one's liking―to one's mind―after one's heart―after one's fancy
それくらいのこと
a thing like that―such a trifle