百年沧桑只等一次回眸
[băi nián cāng sāng zhĭ dĕng yī cì huí móu]
A Century's Turmoil for a Single Glance suggests a sense of yearning. It can represent someone enduring countless vicissitudes of life only for one significant moment, often romantic, symbolizing an unforgettable love story spanning a long time with lots of changes, hardships, etc., before a perfect encounter or meeting.