confuse the matter
問題をあいまいにする
confuse the twins
双子を取り違える
confute one's opponent with facts
事実をあげて論敵をやりこめる
(a) congenital [fetal, genetic] abnormality
先天的な［胎児の，遺伝的な］異常
congestion of the brain
脳充血
congratulate Tim on his engagement
ティムの婚約を祝う
Congratulations on your promotion.
昇進おめでとう
Congratulations! You have won the lottery.
おめでとう．宝くじが当たりました
congregate housing
（高齢者向け）集合住宅
Congress has the power of legislation.
議会が立法権をもっている
