了如指掌
拼音:liǎo rú zhǐ zhǎng
词典解释
-
了如指掌
- 形容对情况极为清楚 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
了:
明白;
指掌:指
着手掌。形容
对事物
了解得非常清楚,象把
东西放在
手掌里给
人家看
一样。
国语词典
了如指掌
-
比喻對事情了解得非常清楚。

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