all at once   (TTS Sound)

The all_at_once has 2 Senses.

• all at once, all together
• いっぺんに, 一度に, 一斉に, いっせいに, 一遍に
• all at the same time; "Let's say `Yes!' all at once"
• すべて同時に

• all of a sudden, all at once
• 行成り, 突として, 忽ち, やにわに, 行き成り, 矢庭に, 突然, 頓に, 突如, 行成, 直と, いきなり
• without warning; "all at once, he started shouting"
• 警告なしで