1.
prime of one's working life; peak working years
The period when a person is at the peak of their energy and productivity at work, typically one's 30s and 40s.
父は今働き盛りだ。
My father is now in his prime working years.
働き盛りの世代が減っている。
The prime-working-age generation is shrinking.
働き盛りの頃は、毎日遅くまで残業していた。
In my prime working years, I worked overtime late every day.
Refers to the years when one is most active and capable at work, usually one's 30s and 40s.
COMMON COLLOCATIONS:
- 働き盛りの世代: the prime-working-age generation
- 働き盛りの男性: a man in his working prime
NOTE:
The suffix 盛り means 'peak' or 'height of', also seen in 食べ盛り (a growing child with a big appetite) and 伸び盛り (a growth spurt).