This is the 4478th most frequent Japanese word.
好奇
Curiosity.
In this sentence, "好奇" (curiosity) forms "好奇心" (desire for curiosity) to describe someone's strong interest in exploring new things.
彼は好奇心が強いので、いろいろなことを試してみたがる。
He is very curious, so he likes to try various things.
Here, "好奇心" represents an internal motivation fueled by interest and eagerness to discover and learn new subjects.
私の好奇心は新しい言語を学ぶ原動力になっています。
My curiosity drives me to learn new languages.
This sentence uses "好奇" to signify an uncontainable eagerness or interest directed at exploring the mysteries of the unknown.