ebb and flow
US /ˈɛb ənd ˈfloʊ/
UK /ˈɛb ənd ˈfloʊ/
1.
漲落, 起伏, 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.
潮汐的漲落是一種自然現象。
•
Life has its own ebb and flow, with good times and bad.
生活有其自身的起伏，有順境也有逆境。