ob·ser·vant /-vənt/
  (a.)留心的;注意的;機警的
  Ob·serv·ant, n.
  1. One who observes forms and rules. [Obs.]
  2. A sycophantic servant. [Obs.]
  Silly ducking observants,
  That stretch their duties nicely.   --Shak.
  3. R. C. Ch. An Observantine.
  ◄ ►
  Ob·serv·ant a.
  1. Taking notice; viewing or noticing attentively; watchful; carefully attentive; as, an observant spectator; observant habits.
     Wandering from clime to clime observant stray'd.   --Pope.
  2. Submissively attentive; obediently watchful; regardful; mindful; obedient (to); -- with of, as, to be observant of rules.
     We are told how observant Alexander was of his master Aristotle.   --Sir K. Digby.
  observant
       adj 1: paying close attention especially to details
       2: quick to notice; showing quick and keen perception [syn: observing]
       3: (of individuals) adhering strictly to laws and rules and
          customs; "law-abiding citizens"; "observant of the speed
          limit" [syn: law-abiding]