abruptly
adv. 突然地；唐突地；陡然
例句
The sky darkened abruptly.
天突然变暗了。
《柯林斯英汉双解大词典》
He turned abruptly and walked away.
他突然转身走开了。
"Good night, then," she said abruptly.
“那么，晚安”，她唐突地说道。
