~が上手/下手/うまい (good/bad at)

She's good at changing the subject.

She's a terrible cook.

What a wonderful cook she is!

She's a great speaker.

She's really good with a saw.

She is very good at cooking.

She's good at playing tennis.

Not only does she play tennis, she's also very good at skiing.

She's good at tennis but bad at swimming.

She's very good at tennis, but I'm just as good.

She's a skilled skier.

She was by far the best singer in the class.

She sings better than anyone else in the class.

She's not a good conversationalist.

She looks like she's good at cooking.

She boasts that she's good at cooking.

She is good at climbing trees.

She is good at making up interesting stories.

She's good at needlework.

She's good at drawing.

She sings well.

She's a good swimmer.

She swims well.

She is very bad at driving.

She's very good at tennis.

She's a great dancer.

She's good at typing.

She's good at skiing.

She's not good at cooking.

She's bad at cooking.