天南地北tiān nán dì běi 1.形容距离遥远,也指相距遥远的不同地方{far apart; places far from each other}: ~,各在一方。{They live far apart from each other.} 2.形容说话漫无边际{(of talk) ramble on}: 两个人~地说了好半天。{The two of them chatted about everything for a long time.}‖也说also天南海北{tiān nán hǎi běi}。