all at once

1. Simultaneously. Don't answer all at once. One at a time, please.

2. Suddenly and without warning. All at once, Henry began feeling sick.

See also: all, once

Farlex Dictionary of Idioms.

all at once

1. Lit. all at the same time. The entire group spoke all at once.

2. Fig. suddenly. All at once the little girl fell out of her chair.

See also: all, once

McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

all at once

1. All at the same time, as in We can't get inside all at once, so please wait your turn. [Late 1300s]

2. Suddenly, unexpectedly, as in All at once the sky darkened. For a synonym, see all of a sudden.

See also: all, once

The American Heritage® Dictionary of Idioms by Christine Ammer.

ˌall at ˈonce

suddenly: All at once it began to rain.

See also: all, once

Farlex Partner Idioms Dictionary

See also:

stampede out of
stampede out of (some place)
once more
once in a while
(every) once in a while
every once in a while
at once
stampede out
a year and a day
once and for all

词组	all at once
释义	all at once all at once 1. Simultaneously. Don't answer all at once. One at a time, please. 2. Suddenly and without warning. All at once, Henry began feeling sick. See also: all, once Farlex Dictionary of Idioms. all at once 1. Lit. all at the same time. The entire group spoke all at once. 2. Fig. suddenly. All at once the little girl fell out of her chair. See also: all, once McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. all at once 1. All at the same time, as in We can't get inside all at once, so please wait your turn. [Late 1300s] 2. Suddenly, unexpectedly, as in All at once the sky darkened. For a synonym, see all of a sudden. See also: all, once The American Heritage® Dictionary of Idioms by Christine Ammer. ˌall at ˈonce suddenly: All at once it began to rain. See also: all, once Farlex Partner Idioms Dictionary See also: stampede out of stampede out of (some place) once more once in a while (every) once in a while every once in a while at once stampede out a year and a day once and for all
随便看	be down to something be down to the wire be down with (something) bedpost be dragged kicking and screaming be dragged through the mud be dragging (one's) feet be dragging your feet be dressed to kill be dressed (up) to the nines be driven, pushed, etc. from pillar to post bedrock bedroom bedroom community bedroom eyes be dropping like flies bedsheets bedside manner bedtime bedtime story be duck soup be duty bound be dying for (something) be dying for something/to do something be dying of (something)