well at French
フランス語が上手くなればいいのに。
I wish I were better at French.
私はトムほどフランス語が上手くはない。
I’m not as good at French as Tom is.
君が思っているほど、トムはフランス語が上手くはないよ。
Tom isn't as good at French as you think.
フランス語が上手く話せないのよ。
I can't speak French very well.