虚をつく、不意をつく、弱点をつく、、、のような意味を表すときにはblindside一語で足ります。1:40 市場はまたもやヨーロッパの政治家たちの意表をついた。once again the markets have blindsided Europe's politicians. 
http://www.youtube.com/watch?v=mPLrMityPiA  0:08 but these days some patients have been blindsided when their bill arrives in their hundreds 救急医療費も数百ドル単位で請求が来るとさすがにぶったまげる
http://www.youtube.com/watch?v=PdeXOzKeaYc  3:48 will they be the ones to tell our blindsided bride?
                                        
練習問題解答
                                        
a-1275  got blindsided
                                        
a-1276  blindsided
                                        
a-1845    blindsided
                                 
b-2795        felt blindsided
                               
b-3587     blindsided
                                 
b-4486       blindsided 
                                 
b-5389      blindsided
                                
b-6609   blindsided