彼女はフランス語では誰にも負けない。の英語

She is second to none in French.

Nobody compares with her in French.

She is second to none in her command of French.

She has a good command of French.

She is forgetting her French.

She is fluent in French.

She is proficient in French.

She was fluent in French.

She acknowledged that she couldn't speak French.

She acknowledged that she couldn't speak French.

She acquired a knowledge of French.

She is intent on mastering French.

She knows French inside out.

No one can match her in speaking French.

It is true that she teaches French.

She can speak French, and fluently at that.

She can speak French and she speaks it fluently.

She can speak French, and that fluently.

She acquired French.

He knows no English, to say nothing of French.

She acknowledged that she couldn't speak French.

She studied French as hard as possible.

I don't think she can speak French.

He's second to none in French [as a cook].

Not only can she speak French, she can also speak English.

He is second to none in his command of French.

Since she speaks in French, I can't understand her.

She studied French as hard as possible.

She doesn't even speak her own language well, let alone French.

He can speak French, not to mention English.