qià​qiǎo HSK7

coincidentally

恰巧 qià​qiǎo
coincidentally adverb
by chance; as chance would have it

I went to the bookstore today and happened to run into an old classmate I hadn't seen in years.

Frequency

Movie subtitles
2.77 per million appears in 1% of films
Written text
2.70 per million

Details

HSK 2.0
Level 6
HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT