- It is purely / completely coincidental that SV
例句：It was purely coincidental that we both wore the same dress to the party.
- find it coincidental that SV
例句：I found it coincidental that we both decided to wear blue on the same day.
- seem coincidental
例句：The similarity between the two novels seems coincidental, as the authors had never met.
- have a coincidental meeting
例句：I had a coincidental meeting with an old friend while traveling.
- make a coincidental discovery
例句：The scientist made a coincidental discovery that changed the course of his research.
- the coincidental timing
例句：The coincidental timing of our visits meant we ran into each other at the museum.
- coincidental events
例句：Several coincidental events led to the solution of the mystery.
- the coincidental resemblance
例句：The coincidental resemblance between the two paintings is astonishing.
- coincidental factors
例句：There were several coincidental factors that contributed to the team’s success.
- The similarities between their stories are more coincidental than we initially thought.
- This is the most coincidental event I’ve ever witnessed.
- We both chose the same vacation spot; it was completely coincidental.
- Her arrival at the cafe just as he was leaving was purely coincidental.
- It’s coincidental that we both have the same birthday.
- The two events happening on the same day was entirely coincidental.
- They discovered a coincidental link between their family histories.
- Our meeting at the museum was coincidental; neither of us planned it.
- Their ideas were surprisingly coincidental, considering they worked independently.
- accidental 偶然的、意外的 adj. 表示某事是未經計劃或預期的結果。
例句：The meeting in the park was purely accidental.
- fortuitous 偶然的、幸運的 adj. 指的是某事的發生是出乎意料的，但結果可能是有利的。
例句：The rain stopped just as we started our outdoor event; it was fortuitous timing.
- random 任意的、隨機的 adj. 指的是沒有明確模式或預期的順序。
例句：The selection of participants was completely random.
- unexpected 意外的 adj. 表示某事是出乎預期的。
例句：Her response was unexpected, but we adapted quickly.