颠 ㄉㄧㄢ diān 覆 ㄈㄨ ˋ fù 顛 ㄉㄧㄢ diān 覆 ㄈㄨ ˋ fù to topple (i.e. knock over) to capsize fig. to overturn (a regime, by plotting or subversion) to undermine to subvert