きまりもんく
set phrase; stock phrase; conventional expression; usual wording
Also written 決り文句、きまり文句
Noun
これが彼かれの決きまり文句もんくです。
This is his formula.
決きまり文句もんくは便利べんりだ、熟慮じゅくりょの必要ひつようがないのだから。
A formula is very convenient, because you need not think about it.