Parents work hard their whole lives for their children.
Tips
culture
辛苦了 is one of the most common polite phrases in Chinese. Say it to anyone who has just finished work or done something effortful - like the Japanese お疲れ様 (otsukaresama).
usage
辛苦 can be an adjective (这工作很辛苦) or used as a polite expression (辛苦你了). It's warmer and more personal than a simple 谢谢.
