only son

Noun

A sole male child among multiple siblings. / Used other than figuratively or idiomatically: see only, son.

Japanese Meaning

複数の兄弟姉妹の中で、ただ一人の男の子。

As their only son, he felt the weight of his parents' expectations to inherit the family business.

家族の唯一の息子として、彼は家業を継ぐという両親の期待の重さを感じていた。

Sense（1）

A sole male child among multiple siblings.

Sense（2）

Used other than figuratively or idiomatically: see only, son.

He was the only son to go to college.

only sons

（ plural ）