Значение идиомы off balance

[off balance] {adj. phr.} 1. Not in balance; not able to stand upstraight and not fall; not able to keep from turning over or falling;unsteady.

Never stand up in a canoe; it will get off balance andturn over.

Paul was speeding along on his bicycle, when anunexpected hole in the road caught him off balance and he fell over.

2. Not prepared; not ready; unable to meet something unexpected.

Our quarterback kept the other team off balance by changing oftenfrom line plays to passes and tricky end runs.

The teacher’ssurprise test caught the class off balance, and nearly everyone got apoor mark.