生

Biology

aeroplankton

bamboo garden; the imperial family

Linguistics

transformational generative grammar

extremely important or once in a lifetime request

sanitary shorts; period panties; sanitary panties

biomechanics

Ecology

biocenosis; biotic community; biological community

Slang; Derogatory

someone who became a teacher for lack of anything better to do

Work of art, literature, music, etc. name

The Birth of Momotaro (book by Yanagita Kunio)

Proverb

children pay back their debt to their parents in full by age 3 (through their cuteness)

selling one's personal effects in order to live (like peeling the layers of a bamboo shoot one by one)

hanging vase for flower arrangements; hanging flower vase

Food, cooking

pizza dough; pizza crust

life free from worldly cares

can't survive (without ...)

Proverb; From Genesis 1:28

be fruitful, and multiply, and replenish the earth

Proverb

all that lives must eventually die

Idiomatic expression

putting the cart before the horse; putting the diapers on before (the baby) is born

Proverb

better to ask and be embarrassed than not ask and never know

I don't fall for flattery; (I'm) not so stupid that being called "sensei" (makes me feel good)

birthday

new life (esp. after retirement); postretirement life

being born in the year of the Tiger; person born in the year of the Tiger

elementary, junior high, and high school students