◎了如指掌liǎorúzhǐzhǎng
[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] 形容對(duì)情況極為清楚
對(duì)他們的活動(dòng),他完全了如指掌
更多關(guān)于了如指掌的詞語(yǔ)解釋
別人正在搜
騰訊云 新老同享118元/年 2核2G4M300G月流量
阿里云 新老同享99元/年 2核2G3M帶寬不限流量