trouble
We are having trouble with our new car. 此句中trouble用作不可数名词,意为“麻烦,烦恼,困难”,这是trouble的常用法。trouble还有其它用法。如:
① I am sorry to trouble you. (trouble用作及物动词,意为“麻烦,打扰”。)
② He took a lot of trouble over this design. (trouble用作名词,意为“工夫,力气”。)
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