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.
(..) "'We read you. " 'That was all they sent. Nothing. 'It didn't make sense. It was like they were stalling.' 'Then what happened? 'Then, all of a sudden... '... the Russians begin to move.' 'It was nice work. I couldn't have done it better myself.' 'The message was quite clear. I needed to warn her.' (..)2011 Tinker Tailor Soldier Spy