| 词汇 | 了如指掌 |
| 类别 | 英汉汉英翻译词典 |
| 释义 | 了如指掌了如指掌[liǎo rú zhǐ zhǎng]1.■know ... like the palm of one's own hand; as plain as pointing to one's hand; be thoroughly familiar with ...; clear like pointing at a palm; have fully grasped a subject, a situation, etc.; have sth. at one's fingertips; know ... as a person knows his ten fingers; know ... as well as a beggar knows his bag; know ... like a book; know sth. like the back of one's hand; know ... to one's fingertips; One has the knowledge of sth. so well in hand that one can point to it as one points to one's palm.:他对这一带的地形了如指掌。He knows the terrain of this locality like the back of his hand. |
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