ebb and flow
US /ˈɛb ənd ˈfloʊ/
UK /ˈɛb ənd ˈfloʊ/
1.
満ち引き, 浮き沈み, 盛衰
the recurrent or rhythmical pattern of coming and going or decline and regrowth
:
•
The ebb and flow of the tides is a natural phenomenon.
潮の満ち引きは自然現象です。
•
Life has its own ebb and flow, with good times and bad.
人生には良い時も悪い時も、独自の浮き沈みがあります。