uncle uncle sam山姆大叔
Uncle e Sam美国政府;山姆大叔
fighting for Uncle Sam为美国而战
Dear Uncle Sam可爱的大叔
uncle sam and山姆大叔与美国
Hello Uncle Sam你好
Uncle Sam J百里挑一
Uncle Sam Wants Shoe山姆大叔想要鞋子
Insomnia Uncle Sam失眠大叔
N-PROPER（专有名词） Some people refer to the United States of America or its government as Uncle Sam. 山姆大叔; 对美国或美国政府的称呼 [journalism]
They are ready to defend themselves against Uncle Sam's imperialist policies.
他们已经做好准备抵抗山姆大叔的帝国主义政策。