Once

1.

(One time; ever formerly, if ever; whenever at any time; at once immediately at the same time, one time. -once and for all [once for all] -once in a while occasionally, at intervals. -once upon a time at some unspecified past tine. -all at once immediately, simultaneously; promptly. -at once promptly, immediately) do it once ម្ដង
Example: Once, twice, three time, Once a week, I saw him only once, AU came at once, Once again, oncgi saw a lion guite close, Once upon a time, At once, All at once, At the signal, all start at once. at once ភ្លាម, once in a while មួយដងមួយយាម, once and for all ជាស្ថាពរ, a once powerful nation ពីមុន, for once ម្ដង, (Don't both speak) at once នៅពេលជាមួយ, once upon a time កាលពីព្រេងនាយ, កាលនោះ, all at once (he jumped) ពេលនោះស្រាប់តែ

1.

Once you go, don't come back ការបើ, once you get there, go see him កាលណា

• once a day
  - មួយថ្ងៃម្ដង

1.

By limitation to the number one; for one time; not twice nor any number of times more than one.

2.

At some one period of time; -- used indefinitely.

3.

At any one time; -- often nearly equivalent to ever, if ever, or whenever; as, once kindled, it may not be quenched.