by chance

同义
perchance by chance
词性
r
解释
through chance
示例
To sleep, perchance to dream...

同义
haply by chance by luck
词性
r
解释
by accident
示例
betrayed by a word haply overheard

同义
unexpectedly accidentally by chance circumstantially
词性
r
解释
without advance planning
示例
they met accidentally