水泳が得意

good at swimming

→ 水泳
phrase Rare #28,515
good at swimming 得意 describes something someone is good at or excels in; が marks the activity.
JA: 私は水泳が得意です。
EN: I'm good at swimming.

彼は水泳が得意ではなかった。

He wasn’t good at swimming.

しかし、姉は水泳が得意だ。

However, my older sister is good at swimming.

私の姉は水泳が得意です。

My older sister is good at swimming.

トムはメアリーよりも水泳が得意だ。

Tom is better at swimming than Mary.

彼女は水泳が得意である。

She is good at swimming.

ケンは水泳が得意だ。

Ken is good at swimming.

トムは水泳が得意だ。

Tom is good at swimming.