It may surprise you, but one of the trickiest words to translate from Japanese into English is isogashii. Every dictionary will tell you that its closest equivalent is "busy," and you'd be hard pressed to find a native Japanese speaker who disagreed with this.
Denotative definitions can, however, be deceptive. We all know that it is culture, not dictionaries, that gives words their meaning. Hence "isogashii" can mean a lot more than merely "being busy," as the work culture in Japan makes that seemingly straightforward word far more tricky to pin down.
Consider an everyday occurrence: Two male Japanese friends run into each other on the street.