'every walk of life' 표현을 알고 계신가요?

 텝스 공부 당시, 처음 접하던 표현이었습니다. 보통 people from(in) every walk of life 로 쓰인다고 하는데요. 뜻은 다름 아닌 '각 계층의 사람들'이랍니다. 사용된 예시를 볼까요?

 

Each year, army reserve officers from every walk of life go through soldiery experiences during their two-week annual training. [한국 경제]

This occasionally made life miserable for Fox and Calderon, but has made things better for ordinary Mexicans in every walk of life.[코리아 타임스]

Yes. there have been huge protests by pepple from every walk of life.

 

추가로 '매시간 정각'은 뭐라고 할까요? every how on the hour 라고 합니다.