Jack is an American
杰克───jack;美国───U.S.A
Jack squared his shoulders and entered the game.───杰克严阵以待投入比赛.
I asked Jack for his political views, but he said he preferred to hold aloof.───我问起杰克的政治观点, 他说他宁可避而不谈.
Jack chided himself for worrying.───杰克责备自己多虑。
the jack of clubs───梅花杰克
Mary could hardly get through to Jack.───玛丽几乎无法使杰克明白她的意思.
He agreed to our sending Jack to Hong Kong.───他赞成我们把杰克派往香港.
Mary bragged that she could run faster than Jack.───玛丽夸口说她比杰克跑得快.
Don't worry, he'll jack the whole thing up for us.───别担心, 他会替我们把一切料理好的.