so as to be or remain supported by or suspended from:Put your package down on the table; Hang your coat on the hook.
so as to be attached to or unified with: Hang the picture on the wall. Paste the label on the package.
so as to be a covering or wrapping for: Put the blanket on the baby. Put aluminum foil on the lamb chops before freezing them.
(30)
in connection, association, or cooperation with; as a part or element of: to serve on a jury.
so as to be a supporting part, base, backing, etc., of: a painting on canvas; mounted on cardboard; legs on a chair.
: a scar on the face; the book on the table; a house on 19th Street.
: a house on the lake; to border on absurdity.
in the direction of: on the left; to sail on a southerly course.
: on the wing; This car runs on electricity. Can you walk on your hands? I'll be there on the noon plane.
by the agency or means of: drunk on wine; talking on the phone; I saw it on television.
in addition to: millions on millions of stars.
with respect or regard to: Let's play a joke on him. Write a critical essay on Shakespeare.
in a state or condition of; in the process of: on strike; The house is on fire!
subject to: a doctor on call.
engaged in or involved with: He's on the second chapter now.
: a duty on imported goods; She depends on her friends for encouragement.
: on my word of honor; The movie is based on the book.
: on pain of death.
: We completed the project on budget.
assigned to or occupied with; operating: Who's on the switchboard this afternoon?
Informal. so as to disturb or affect adversely: My hair dryer broke on me.
Informal. paid for by, especially as a treat or gift: Dinner is on me.
taking or using as a prescribed measure, cure, or the like: The doctor had her on a low-salt diet.
regularly taking or addicted to: He was on drugs for two years.
Informal. with; carried by: I have no money on me.
: on Sunday; We demand cash on delivery.
: to march on the capital.
: to gaze on a scene.
: views on public matters.
: The pickpocket crept up on a victim.
adv. 副词 adverb
in, into, or onto a position of being supported or attached: Sew the buttons on.
in, into, or onto a position of covering or wrapping: Put your raincoat on.
fast to a thing, as for support: Hold on!
(7)
toward a place, point, activity, or object: to look on while others work.
forward, onward, or along, as in any course or process: further on.
with continuous activity: to work on.
into or in active operation or performance: Turn the gas on.
adj. 形容词 adjective
operating or in use: The television set was on. Is your brake on?
taking place; occurring: Don't you know there's a war on?
performing or broadcasting: The radio announcer told us we were on.
(7)
Informal. behaving in a theatrical, lively, or ingratiating way: Around close friends, one doesn't have to be on every minute.functioning or performing at one's best: When she's on, no other tennis player is half as good.
scheduled or planned: Anything on after supper?
Baseball. positioned on a base or bases: They had two men on when he hit the home run.
Cricket. noting that side of the wicket, or of the field, on which the batsman stands.