碰巧

by chance
by coincidence
to happen to

堋, 鹏, 篷, 膨, 蓬, 澎, 硼, 棚, 彭, 朋, 朋比为奸, 朋党, 蓬松, 朋友, 膨胀, 棚子, 捧, 碰, 碰触, 碰见, 碰撞, 匹, 丕, 批, 披, 纰, 劈, 霹, 坯, 砒, 批发, 批量, 批量生产, 披露, 批评, 批评家, 批准, 皮, 枇, 陂,