Correct

浮沉

/ fúchén / 
Strokes

Definition

ups and downs (of life etc)/to drift along/to sink and emerge

Example

As a Verb

go/bob up and down; drift along

1
Rénshēng
人生
fúchén
浮沉

vicissitudes of one's life

2
Huànhǎifúchén
宦海浮沉

ups and downs/highs and lows in officialdom

3
Yú
与
shì
世
fúchén
浮沉

follow social trends