Leaving the nest; when chicks or young animals leave their nest to go out into the world.
春になると、庭でツバメの巣立ちを見ることができる。
In spring you can see swallows leaving the nest in the garden.
昨日、ヒナの巣立ちを写真に撮った。
Yesterday I photographed the chicks leaving the nest.
巣立ちの時期は種類によって異なる。
The timing of leaving the nest varies depending on the species.
Going out into the world; becoming independent—leaving the family/home or school to start an independent life.
大学卒業は多くの人にとって巣立ちの一歩だ。
Graduating from university is a first step of leaving the nest for many people.
子どもの巣立ちで家が静かになった。
The house became quiet after the children left home.
若者の巣立ちを支援するプログラムが始まった。
A program to support young people's transition to independence has started.