那个留着油亮背头的年轻人是典型的50年代叛逆青年。

The young man with slicked-back ___greaser hair was a typical 1950s rebel.

这种使用greaser来侮辱他人的行为是完全不可接受的。

Using ___greaser to insult someone is completely unacceptable.

修车厂的润滑工整天和机油打交道，所以他的手套总是油乎乎的。

The ___greaser at the auto shop always has greasy gloves from handling oily engine parts all day.