tā / fàng / xià / le / duì / wǎng / shì / de / zhí / zhuó / zhōng / yú / míng / bai / wǎng / shì / yǐ / yǐ他放下了对往事的执着,终于明白往事已矣。He let go of his attachment to the past and finally understood that it was gone.