It doesn't matter
Regardless of one or two, Chinese idioms, Pinyin is B ù Gu ǎ NY ī è R, which means regardless of the cause, regardless of the consequences. From the 26th chapter of journey to the west by Wu Chengen of Ming Dynasty.
The source of the idiom is the 26th chapter of a journey to the West written by Wu Chengen of Ming Dynasty: "you monkey, you can make trouble everywhere."
It doesn't matter
preserve one 's personality in old age - hán huā wǎn jié
cutting into the present-day evils - qiè zhòng shí bì
drift about without any definite trace like running water or duckweed - làng jì fú zōng