了若指掌 Definitions Defs Origin Strokes Stroke Words Sentences Sents 了如指掌 liǎorúzhǐzhǎng know thoroughly idiom to know something or someone extremely well; to be intimately familiar with something, as if looking at one's own palm 他对这里的地形了如指掌。 tā duì zhèlǐ de dìxíng liǎorúzhǐzhǎng. He knows the terrain here like the back of his hand. Frequency Written text 0.132 per million Sources Frequency data BCC Corpus (BLCU)
了如指掌 liǎorúzhǐzhǎng know thoroughly idiom to know something or someone extremely well; to be intimately familiar with something, as if looking at one's own palm 他对这里的地形了如指掌。 tā duì zhèlǐ de dìxíng liǎorúzhǐzhǎng. He knows the terrain here like the back of his hand. Frequency Written text 0.132 per million Sources Frequency data BCC Corpus (BLCU)