尻をたたく

しりをたたく

to encourage to do (something), to urge a person on, to demand action

門戸を開く

もんこをひらく

to (metaphorically) open the door (to)

陰口をたたく

かげぐちをたたく

to backbite

無駄口をたたく

むだぐちをたたく

to chatter pointlessly, to waste one's breath

くたくた

ぐたぐた ぐだぐだ

exhausted, tired

羽をたたむ

はねをたたむ

to fold one's wings

店をたたむ

みせをたたむ

to close down a business; to shut a business

大枚をはたく

たいまいをはたく

to spend a fortune, to pay a high price

ため息をつく

ためいきをつく

to sigh, to breathe a sigh

門戸を張る

もんこをはる

to keep a fine house, to put up a front, to make the front of the house nice (and be pretentious about it)

はたたく

to resound loudly (of thunder, etc.)

門

もん かど

branch of learning based on the teachings of a single master

お初をいただく

おはつをいただく

to eat something for the first time in the season

聞く耳を持たぬ

きくみみをもたぬ

to turn a deaf ear to, to not listen to, to not get the message

時を得た

ときをえた

timely

アキドバクテリウム門（アシドバクテリウム門）

アキドバクテリウムもん（アシドバクテリウムもん）

acidobacteria

門前市をなす

もんぜんいちをなす

to have many visitors (of a home), to be prosperous (of a shop)

門戸を閉ざす

もんこをとざす

to exclude, to close the door to

笑みをたたえる

えみをたたえる

to be all smiles