ignorantly

outwardly

apparently at first glance carelessly casually externally extraneously flimsily frivolously hastily not profoundly not thoroughly on the surface once over lightly ostensibly partially skim to the casual eye

carefully deeply thoroughly

short

aback abruptly accidentally by accident by mistake by surprise carelessly inadvertently mistakenly off guard sudden surprisingly unconsciously unexpectedly unintentionally unknowingly unprepared unready unwittingly

consciously knowingly