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3. once

once

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See:

• all at once
• at once
• Christmas comes but once a year
• difficult is done at once; the impossible takes a little longer
• every now and then
• every once in a while
• Fool me once, shame on you; fool me twice, shame on me
• for once
• give a once-over
• give someone the once-over
• give the eye
• give the once-over
• if I’ve told you once, I’ve told you a thousand times
• if I've told you once, I've told you a thousand times
• measure twice and cut once
• measure twice, cut once
• now and then
• once (the) word gets out
• Once a priest, always a priest
• once again
• once and again
• once and for all
• Once bitten, twice shy
• once hell freezes over
• once in a blue moon
• once in a lifetime
• once in a while
• once more
• once or twice
• once over lightly
• once the dust has settled
• once upon a time
• once you go black, you never go back
• once-in-a-lifetime chance
• once-over
• once-over-lightly
• One cannot be in two places at once
• Opportunity knocks but once
• skin the bear at once
• the once-over
• the pitcher will go to the well once too often
• when the dust has settled
• you only live once
• young once