Idioms
1. not planned by anyone; accidentally
偶然に
Test
1 / 5
My heartbeat accelerated when she saw him in the crowd.
2 / 5
She was listening to the English teacher absent-mindedly.
3 / 5
Is she absent?
4 / 5
The government changed its policy abruptly.
5 / 5
The girl abandoned school at 17.
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