| Interest is normally charged at once, even if you pay the bill in full on time. |
| Having planted their acorn, they expect to see it grow into an oak at once. |
| The correctness of the principle on which we have proceeded is obvious; we have not taken the whole subtrahend from the minuend at once. |
| I must go down to the basement at once with my trusty two-by-four and administer a few more bracing wallops. |
| A musician who has mastered Fixed Do and acquired nearly absolute pitch is able to grasp an entire musical phrase at once. |
| All the inmates had to be protected and watched over, and any problems that arose would have to be sorted out at once. |
