おとうと

60th birthday (celebration of completing a 60-year cycle).

About; approximately; to the extent that.

To recognize each other's worth; to acknowledge.

Acquaintance.

Acquaintance; someone you know by sight.

To be spoiled, to fawn; to behave like a pampered child.

Active; lively; vigorous.

Adolescence; the period of transition from childhood to adulthood.

Adopted child; a child taken into one's family by legal means.

Adoptive parent.