(as) regular as clockwork
01
used to describe a person who always manages to arrive or get things done at the agreed or proper time
例子
Lately, I've been dealing with constipation. I miss the days when I was regular as clockwork.
02
used to describe bowel movements that happen at predictable times or with a consistent frequency
例子
Ever since I started eating more fiber, my bowel movements have been regular as clockwork.
