by chance
1
偶然, 碰巧
without deliberate intention
- They met by chance at the coffee shop and struck up a conversation.
他们在咖啡店偶然相遇并开始了交谈。
- She found the lost keys by chance while walking in the park.
她在公园散步时偶然找到了丢失的钥匙。
- By chance, they both attended the same event and became friends.
偶然，他们都参加了同一个活动并成为了朋友。
- He stumbled upon the rare book by chance in a second-hand store.
他在二手店里偶然发现了这本珍稀的书。
- The meeting happened by chance as they were both in the same place at the same time.
会议偶然发生，因为他们俩同时在同一地点。
反义词：
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