"Terrific" used to be a synonym for "terrible", and "awesome" for "awful". Even the word "bad" has a slang meaning of "good".
In Japanese 適当 is supposed to mean "appropriate, proper", but in practice it almost always means "unserious, sloppy, careless". Not sure how that came about.
In Japanese 適当 is supposed to mean "appropriate, proper", but in practice it almost always means "unserious, sloppy, careless". Not sure how that came about.