at random
1
随机地, 随意地
without a specific order, plan, or pattern
- The winners were selected at random from the pool of entries.
获胜者是从参赛作品中随机选出的。
- She picked a card at random from the deck.
她从牌堆中随机抽了一张牌。
- The samples were selected at random for the experiment.
样本是随机选择的用于实验。
- The questions were answered at random during the quiz.
在测验中，问题被随机回答。
- The names were drawn at random for the raffle.
名字被随机抽取用于抽奖。