後生一生

ごしょういっしょう

extremely important or once in a lifetime (request), only once in one's lifetime

生後

せいご

post-natal, since birth

後生

こうせい ごしょう

afterlife

一生

いっしょう

whole life, a lifetime, all through life, one existence, a generation, an age, the whole world, the era

後半生

こうはんせい

latter half of one's life

一生もの

いっしょうもの

something that will last a lifetime (esp. high-quality products)

生み

うみ

production, bringing into the world, (physical) birth

生みの親

うみのおや

biological parent

一生一度

いっしょういちど

once in one's life, once in a lifetime

一生分

いっしょうぶん

lifetime supply, lifetime's worth (of something)

一生涯

いっしょうがい

lifetime, one's whole life, all through life

一生面

いちせいめん いっせいめん

innovation, new vista or field

生一本

きいっぽん

straight-forwardness, honesty, purity

一回生

いっかいせい

first year (college) student, freshman

一年生

いちねんせい

annual (plant)

一生モノ

いっしょうもの

something that will last a lifetime (esp. high-quality products)

一生の不覚

いっしょうのふかく

greatest mistake of one's life

後生大事

ごしょうだいじ

with religious zeal, with utmost devotion, take great care of

後生動物

こうせいどうぶつ

metazoan (any member of the animal kingdom, excluding protozoans and sponges)