There were no instances of the disease here until it 'suddenly' appeared last year.
The director's 'sudden' departure leaves the organization's future uncertain.
I was walking down the street when, 'all of a sudden', it started raining.
(..) The wind turned the tide, and I pulled him out. I'll take him, Englishman! If your father's word means anything, he's mine. Why such a sudden interest in the slave, my lord? Shall we say an English passion... for converting the wicked to the paths of righteousness? (..)1958 The Vikings