Compounds of 口

• 口角あわを飛ばす
  (exp,v5s) to engage in a heated discussion
• あいた口が塞がらぬ
  (exp) to be surprising
  to be shocking
  to be jaw-dropping
• あいた口も塞がらぬ
  (v5n) to be surprising
  to be shocking
  to be jaw-dropping
• 開いた口が塞がらぬ
  (exp) to be surprising
  to be shocking
  to be jaw-dropping
• 開いた口も塞がらぬ
  (v5n) to be surprising
  to be shocking
  to be jaw-dropping
• 口頭による名誉毀損
  (exp) oral defamation
• 読取り書込み開口部
  (n) (comp) read-write slot
  read-write opening
• 目は口程に物を言う
  (exp) (id) Eyes are as eloquent as the tongue
• 開いた口が塞がらない
  (exp) to be surprising
  to be shocking
  to be jaw-dropping
• 口では大阪の城も建つ
  (exp) easier said than done
  lit: if it's just talking you can even build Osaka Castle
• 口に蜜有り腹に剣有り
  (exp) (id) A honey tongue, a heart of gall
• 口をすっぱくして言う
  (exp,v5u) to say time and time again
  to say till you're blue in the face
• 口を酸っぱくして言う
  (exp,v5u) to say time and time again
  to say till you're blue in the face
• 目は口ほどに物を言う
  (exp) one can say more with a look than with ten thousand words
  the eyes cannot belie one's true thoughts
  the eyes are the windows to the soul
• 人の口に戸は立てられず
  (exp) (id) People will talk
• 世間の口に戸は立てられぬ
  (exp) (id) People will talk
• 鶏口となるも牛後となる勿れ
  (exp) (id) Better be the head of a cat than the tail of a lion
• 人の口には戸が立てられない
  (exp) you can't control what people say
  you can't stop rumours (rumors)