资料来源 : pyDict
一次,曾经,一旦一旦,一经一次从前的
资料来源 : Webster's Revised Unabridged Dictionary (1913)
Once \Once\, adv. [OE. ones, anes, an adverbial form fr. one,
on, an, one. See {One-}, {-Wards}.]
1. By limitation to the number one; for one time; not twice
nor any number of times more than one.
Ye shall . . . go round about the city once. --Josh.
vi. 3.
Trees that bear mast are fruitful but once in two
years. --Bacon.
2. At some one period of time; -- used indefinitely.
My soul had once some foolish fondness for thee.
--Addison.
That court which we shall once govern. --Bp. Hall.
3. At any one time; -- often nearly equivalent to ever, if
ever, or whenever; as, once kindled, it may not be
quenched.
Wilt thou not be made clean? When shall it once be?
--Jer. xiii.
27.
To be once in doubt Is once to be resolved. --Shak.
Note: Once is used as a noun when preceded by this or that;
as, this once, that once. It is also sometimes used
elliptically, like an adjective, for once-existing.
``The once province of Britain.'' --J. N. Pomeroy.
{At once}.
(a) At the same point of time; immediately; without delay.
``Stand not upon the order of your going, but go at
once.'' --Shak. ``I . . . withdrew at once and
altogether.'' --Jeffrey.
(b) At one and the same time; simultaneously; in one body;
as, they all moved at once.
{Once and again}, once and once more; repeatedly. ``A dove
sent forth once and again, to spy.'' --Milton.
资料来源 : WordNet®
once
adj : belonging to some prior time; "erstwhile friend"; "our
former glory"; "the once capital of the state"; "her
quondam lover" [syn: {erstwhile(a)}, {former(a)}, {once(a)},
{onetime(a)}, {quondam(a)}, {sometime(a)}]
once
adv 1: on one occasion; "once I ran into her" [syn: {one time}, {in
one case}]
2: as soon as; "once we are home, we can rest" [syn: {when}]
3: at a previous time; "once he loved her"; "her erstwhile
writing" [syn: {formerly}, {at one time}, {erstwhile}, {erst}]