She drew an analogy between learning English and building a house. 她打了个比方，把学英语比作建房子。
To strike an analogy, it is bypassing all procedures for the sale, revealed a castle in the air for both at the individual conditions of auction sale agreement. 打个比方来说，就是绕开一切买卖手续，搭一个空中楼阁，让买卖双方在个人协定的条件下实行期房买卖。
