• take opposite party by surprise

विरोधी:    adversary antagonist contradictor obstructer

विरोधी पक्षकार:    opposite party विरोधी adversary

पक्षकार:    party parties

को:    barring to to concerning unto pup on pupate

चकित:    baffled aback baffled wondering shock amaze

चकित करना:    astonish bewilder daze dazzle shake up surprise

करना:    transaction commission advertising commence