Baseball is as American as apple pie.
(as American as apple pie means typically American)
Tom is really a bad apple.
（as American as apple pie指地道美国式的）
(a bad apple means a troublemaking or dishonest person)
Only the banana can make a decision of that magnitude.
（a bad apple指捣蛋或不诚实的人）
(top banana means the boss the leader)
Sarah's surprise party went pear-shaped once she accidentally found out about it.
(go pear-shaped means fail)
Do whatever you want, I do not give a fig.
(not give a fig means not care)
（not give a fig指不在乎）