strong-willed
自分の職場に、見るからにとても気が強い女性がいます。
There’s a woman at my workplace who clearly has a very strong personality.
私は、気が強い女が嫌なんです。
I don't like women who are too strong-willed.
メアリーは気が強い女だ。
Mary is a strong-willed woman.
彼女は気が強い。
She has a strong personality.
あの女性たちは、気が強い。
Those women are strong-willed.