work有较多的意思,根据意思不同,分别作可数和不可数名词.
1.工作；待做的事；成品；--不可数
例：His success was achieved by hard work.（工作）
I have some work for you to do.( 待做的事）
The young sculptor was very proud of his work.( 成品)
2.（作家）全部著作；工厂--可数
例：the complete works of Shakespeare （作家著作）
a brick works (工厂）