Focus on the pronunciation of hard-and-fast
English definition of “hard-and-fast”
hard-and-fast (also hard and fast)
› definite and not to be changed, avoided, or ignored: hard-and-fast deadlines/plans/guidelineshard-and-fast evidence/facts/answers With whale research, hard and fast facts are difficult to come by. There are no hard-and-fast rules governing the size of companies in the portfolio.