突(とつ)然(ぜん)寒(さむ)くなったね! It has suddenly got cold, hasn't it?It has suddenly gotten cold, hasn't it? 単(たん)語(ご):突(とつ)然(ぜん)寒(さむ)いなるね
彼(かれ)は突(とつ)然(ぜん)話(はなし)をやめた。 He ceased talking suddenly.He suddenly stopped talking. 単(たん)語(ご):彼(かれ)は突(とつ)然(ぜん)話(はなし)をやめる