0 in a way that is not expected: --
Their campaign was unexpectedly successful.
In most instances only community-acquired infections are shown in detail, since nosocomial infections do occur unexpectedly.
While the excited crowd gathered round, suddenly and unexpectedly there was a new vortex of the festival, verging on the threshold of a challenge.
Unexpectedly high (low) rates of growth represent improvements (declines) over recent trends that voters could logically attribute to effective (detrimental) government macroeconomic policies.
The weights of animals from this particular control line sample were unexpectedly low.
Unexpectedly, parasitized weevils had the lowest mortality rates (prior to larval parasitoid emergence).
This would create a desire to change the musical structure unexpectedly, and so appears a serious time management problem.
It's a striking, if abstentionist, coup de théâtre, which in this dehumanized context is unexpectedly moving.
Not entirely unexpectedly, the articulation by some of self-concept\image entailed express or implied criticisms of tenants.