内気

彼女は内気な性格だが、とても親切だ。

kanojo wa uchiki na seikaku da ga, totemo shinsetsu da.

She has a shy personality, but she is very kind.

内気な子どもでも、安心できる場所ではよく話す。

uchiki na kodomo demo, anshin dekiru basho de wa yoku hanasu.

Even a shy child often talks in a place where they feel safe.

彼は内気で、人前で話すのが苦手だ。

kare wa uchiki de, hitomae de hanasu no ga nigate da.

He is shy and is not good at speaking in front of people.

彼の内気は、時間をかけて少しずつ和らいだ。

kare no uchiki wa, jikan o kakete sukoshi zutsu yawaraida.

His shyness gradually eased over time.

内気を理由に、自分の意見を言わないことが多い。

uchiki o riyū ni, jibun no iken o iwanai koto ga ōi.

Because of shyness, he often does not state his own opinion.