一も二も無く[ichimonimonaku] unhesitatingly
一言二言[hitokotofutakoto] a word or two
一石二鳥[issekinichou] killing two birds with one stone
一二に及ばず[ichininioyobazu] right away
一姫二太郎[ichihimenitarou] It's good to have a girl first and then a boy

うり二つ[urifutatsu] as alike as two melons (two peas in a pod)
黄道十二宮[koudoujuunikyuu] twelve signs of the zodiac
二度[futatabi] again
最小二乗法[saishounijouhou] least-squares method
三十二分音符[sanjuunibuonpu] 32nd note

響動めき[doyomeki] commotion
ぴくぴく動く[pikupikuugoku] to jerk
アメーバ運動[ameebaundou] ameboid movement
インディペンデントリビング運動[indipendentoribinguundou] independent living movement
エコロジー運動[ekorojiiundou] ecological movement

エンジン発動機[enjinhatsudouki] engine
クローン動物[kuroondoubutsu] cloned animal
易動度[idoudo] mobility
異動[idou] change
移動[idou] removal

御召し物[omeshimono] clothing
と言う物[toiumono] something like ...
物にする[mononisuru] to get
クローン動物[kuroondoubutsu] cloned animal
シアン化合物[shiankagoubutsu] cyanide

シアン化物[shiankabutsu] cyanide
弗化物[fukkabutsu] fluoride
亜麻織物[amaorimono] flax fabrics
安物[yasumono] cheap article
異物[ibutsu] foreign substance

悪足掻き[waruagaki] useless resistance
一挙手一投足[ikkyoshuittousoku] slight effort
一足[issoku] pair (footwear)
一足[hitoashi] step
一足先[hitoashisaki] one step ahead

一足飛び[issokutobi] (at) one bound
逸足[issoku] fast runner
右足[migiashi] right foot
運動不足[undoubusoku] insufficient exercise
栄養不足[eiyoubusoku] malnutrition