例句-1: Mr. Lee paid 15,000 for his new car. But he got a real lemon: it's never run right and it spends more time in the garage getting fixed than it does on the road.
例句-2: Mister Green usually gives me good advice. But the computer company stock he told me to buy was a lemon. I had to sell it at the price I paid for it.
例句-3: Mary spends all her time listening to loud music, talking on the phone, or looking at herself in the mirror instead of studying or helping us around the house. I tell you, that kid is driving us all bananas!
例句-4: I'm going bananas over the noise in the apartment next door. They play their television loud enough for the whole building to hear. And they never turn it off until one o'clock in the morning!