greasy

她的头发看起来很油腻，因为她好几天没洗头了。

Her hair looks ___greasy because she hasn't washed it in days.

这些薯条太油腻了，我拿在手上都打滑。

These fries are so ___greasy that they keep slipping from my fingers.

他带着谄媚的笑容递给我一杯咖啡，明显是想讨好我。

He handed me a cup of coffee with a ___greasy smile, obviously trying to butter me up.