To feel a bad impression; make you feel disgusted.
Производить плохое впечатление, оставлять плохую память о себе.
His rudeness to the teacher left a bad taste in my mouth.
Seeing a man beat his horse leaves a bad taste in your mouth.
The way that the company treated us left a bad taste in our mouth.
Своим отношением эта компания произвела плохое впечатление на нас.