tā / zuò / shì / zǒng / shì / bù / guǎn / sān / qī / èr / shí / yī / cháng / cháng / gěi / bié / rén / tiān / má / fan

他做事总是不管三七二十一，常常给别人添麻烦。

He always acts without thinking and often causes trouble for others.