unexpectedly
US
UK unexpectedly adv: (without warning)
SC 突如其来地 tū rú qí lái de
SC 出人意料地 tū rú qí lái de ，chū rén yì liào de
He walked in unexpectedly while we were talking about him.
unexpectedly adv: (to an unexpected degree)
SC 出乎意料地
The water was unexpectedly warm.