a lot of和lots of的区别：读音不同、中文含义不同、用法不同。其中a lot of中文翻译为许多”，用来修饰名词；而lots of中文翻译为许多”、很多”，用来修饰可数和不可数名词。
a lot of意为许多，用来修饰名词，例句有：
1、I have lost a lot of weight
我体重减了不少。
2、I think a lot of people still underestimate him
我觉得很多人仍然低估了他。
3、The restoration to the castle took a year and cost a lot of money.
修复城堡花了一年时间和大量的钱。
4、We spent a hell of a lot of money that we needn't have spent.
我们花了很多本来不需要花的钱。
5、This project involves a lot of complex technical problems.
这个方案牵涉到许多复杂的技术问题。
6、We had to rely on a compass and a lot of luck to get here.
我们不得不依靠指南针和不错的运气找到这儿来。
lots of意为许多;很多；用来修饰可数和不可数名词，例句有：
1、We took lots of measurements.
我们得到了许多测量结果。
2、He has lots of original ideas about the research into microelectronics.
他对微电子学的研究很有创见。
3、Lots of people got the questions wrong.
很多人把问题理解错了。
4、The bus was completely full, and lots of people were standing.
公共汽车里挤满了人，许多人都站着。
5、I spent lots of money on smart new outfits for work.
我花大笔钱购置了上班时穿的漂亮新套装。
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