一

to play a part; to get involved; to take a share; to share the burden

identical twins

very small amount of money; penny; cent; nickel; dime

(one small) fine-tuning; reworking

easily beating; easily defeating

Medicine

carbon monoxide poisoning

one-of-a-kind item

Idiomatic expression

take the world by storm; to hold sway over the minds of the people

monogamy

family suicide

fighting windmills; tilting at windmills

Historical term

mimicking a wrestling match by oneself (as a form of street performance, etc.)

one-game match

head of a household; business owner; proudly independent person

Historical term

feudal lord; daimyo

happy family get-together

every single word and phrase; each and every word

Usu. 〜に

lumping together (things or people); treating (everyone) alike; handling indiscriminately; making sweeping generalizations; dealing with (various things) under one head

to fight a battle; to have a fight

killing three birds with one stone

eccentric; queer; unconventional; peculiar; bizarre; strange; odd

to compete for the first place; to be one of the two best

breaking off short (in one's speech); rendered speechless for a moment

in perfect order

Proverb

a journey of a thousand miles begins with a single step

the breakup (dispersal) of a family

letter by letter; character by character