(as) regular as clockwork
01
いつも時間どおり, 規則正しい
used to describe a person who always manages to arrive or get things done at the agreed or proper time
例
Every evening at 8 PM, as regular as clockwork, my dad sits in his armchair and reads the newspaper for exactly 45 minutes.
トムは毎朝いつも時間どおりにオフィスに着く。
02
used to describe bowel movements that happen at predictable times or with a consistent frequency
例
Even during my travels, my bowel movements stay regular as clockwork thanks to my consistent diet and exercise routine.
