[同甘共苦, tóng gān gòng kǔㄊㄨㄥˊ ㄍㄢ ㄍㄨㄥˋ ㄎㄨˇ] shared delights and common hardships (成语 saw); to share life's joys and sorrows; for better or for worse#34993
[沧海桑田 / 滄海桑田, cāng hǎi sāng tiánㄘㄤ ㄏㄞˇ ㄙㄤ ㄊㄧㄢˊ] lit. blue seas where once was mulberry fields (成语 saw); time brings great changes; life's vicissitudes#42797
[ひゃくせんれんま, hyakusenrenma] (n, adj-no) veteran; (someone) schooled by adversity in many battles; (someone) rich in life's experience gained through much adversity