noun
second lap; second round; second time around
Used for a second iteration of a cycle: a second lap in a race, a second playthrough of a game, or a second attempt at something.
このゲーム、２周目は敵が強くなる。
In this game, the enemies get stronger on the second playthrough.
彼は２周目でペースを上げた。
He picked up the pace on the second lap.
noun
second life; reincarnation; second time at life
Often used jokingly about precocious or unusually mature children, as if they are living their second life. Also used in reincarnation contexts.
See also: 人生２周目
あの子は人生２周目みたいに落ち着いている。
That child is so composed, it's like they're on their second time at life.
「人生２周目」ってよく言われるん
People often tell me I seem like I'm on my second life.
Compound of ２ (に, 'two'), 周 (しゅう, 'lap' or 'round'), and 目 (め, ordinal suffix).