注音 ㄙˋ ㄉㄨㄥˇ ㄈㄟ ㄉㄨㄥˇ
拼音 sì dǒng fēi dǒng
似懂非懂相反詞
▸ 瞭如指掌 ▸ 心中有數 ▸ 瞭如指掌心中有數
基本釋義
⒈ 好象懂，又好象不懂。
瞭如指掌： 形容對情況極為清楚。例對他們的活動，他完全瞭如指掌。英have sth.at one’s fingertips; know as one know his ten fingers; know like a book; know as well as a beggar knows his bag;
心中有數： 對於事情比較瞭解，處理起來已有把握。英know what's what;
瞭如指掌心中有數：