ㄉㄡˇdǒuㄖㄢˊrán

  1. 突然老殘遊記·》:王小玉陡然一落極力千迴百折精神。」斗然」、抖然」。

suddenly, unexpectedly, abruptly, precipitously, stumbling
soudainement, de façon inattendue, brusquement, brutalement