プログレッシブ和英中辞典(第4版)の解説
かんれい【慣例】
〔慣習〕(a) custom；〔先例〕a precedent
慣例の customary; conventional; usual
社会の慣例
social custom
慣例に従う
follow [observe/conform to] custom
慣例を破る
violate [break with] custom
慣例により６月に従業員にボーナスが出た
「In accordance with custom [As is the custom], the employees received bonuses in June.
この過失を大目に見たらよくない慣例を作る恐れがある
I'm afraid we will set a bad precedent if we overlook this mistake.
春になると巡礼が慣例の旅姿でやってくる
In (the) spring, pilgrims come in their traditional traveling attire.