瞭如指掌的解释|瞭如指掌的意思|汉典“瞭如指掌”词语的解释
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拼音 liǎo rú zhǐ zhǎng 注音 ㄌㄧㄠˇ ㄖㄨˊ ㄓˇ ㄓㄤˇ◎ 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] 形容对情况极为清楚 对他们的活动,他完全了如指掌本指天下事如掌中物，易于了解。
语本《论语．八佾》：「『知其说者之于天下也，其如示诸斯乎？』指其掌。
」后比喻对
