tā / zài / zhè / zuò / chéng / shì / shēng / huó / le / shí / duō / nián / méi / rén / bǐ / tā / gèng / liǎo / jiě / zì / jǐ / de / lǎo / dǐ

他在这座城市生活了十多年，没人比他更了解自己的老底。

He has lived in this city for more than ten years, so no one knows his own past better than he does.