the apple of one's eye掌上明珠例:May is the apple of her father's eye.梅是她父亲的掌上明珠。
the Big Apple纽约城例:The little girl is from the Big Apple.这个女孩来自于纽约城。
top banana大老板例:Who's your top banana?谁是你们的老板?
a lemon没有价值的商品例:That car is a lemon.那辆小汽车不值钱。