岁月峥嵘

suì yuè zhēng róng

eventful years

momentous times

岁

suì

classifier for years (of age)

月

yuè

moon

峥

zhēng

used in 崢嶸|峥嵘[zheng1 rong2]

嵘

róng

used in 崢嶸|峥嵘[zheng1 rong2]