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了如指掌 is also the simplified spelling of 瞭如指掌.

DICTIONARY · CC-CEDICT

了如指掌

Mandarin · pinyin liǎo rú zhǐ zhǎng

Meanings

  1. to know sth like the back of one's hand (idiom)
  2. to know (a person, a place etc) inside out
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Characters in this entry

了
le · to finish; particle of completed action
如
rú · if, supposing; as if; like, as
指
zhǐ · finger, toe; point, indicate
掌
zhǎng · palm of hand, sole of foot, paw
Written characters and their own readings; the entry’s pronunciation is shown above.

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Entries containing 了如指掌 ↗Words written with 了 ↗Words written with 如 ↗Words written with 指 ↗Words written with 掌 ↗

Mandarin tones

3–2–3–3 · liao3 ru2 zhi3 zhang3

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Connected dictionary

4character links1same-tone record
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Compare dictionary sources 1 Cantonese reading

Rime Cantonese 粵拼

liu5 jyu4 zi2 zoeng2

Cantonese word readings for 了如指掌. This lexicon supplies readings, not definitions.

CanCLID contributors · CC BY 4.0 · source & license · Data pack

liu5 jyu4 zi2 zoeng2

Pleco · CC BY-SA 3.0 · Word reading; meanings not aligned.

了如指掌 · liao3 ru2 zhi3 zhang3
CC-CEDICT contributors and MDBG · edition 2026-10-13 · source line 4,610
Original dictionary · CC BY-SA 4.0 · Source & transformation details
Exact source record了如指掌 了如指掌 [liao3 ru2 zhi3 zhang3] /to know sth like the back of one's hand (idiom)/to know (a person, a place etc) inside out/