とほぼ同じぐらい上手に

almost as well as

→ と
phrase Rare #35,957
almost as well as Used to compare someone's skill or ability with another person's, meaning their performance is nearly at the same level. Usually followed by a verb such as 話す (speak), 弾く (play), or 泳ぐ (swim).
JA: 私は姉とほぼ同じぐらい上手に料理ができます。
EN: I can cook almost as well as my older sister.

トムメアリーとほぼ同じぐらい上手にフランス語が話せます

Tom can speak French almost as well as Mary.

トムメアリーとほぼ同じぐらい上手にスキーできます

Tom can ski almost as well as Mary.

トムあなたとほぼ同じぐらい上手にフランス語を話せます

Tom speaks French almost as well as you do.

トムメアリーとほぼ同じぐらい上手に泳げます

Tom can swim almost as well as Mary.

トムメアリーとほぼ同じぐらい上手にギターを弾く

Tom plays the guitar almost as well as Mary does.