liǎo​ruò​zhǐ​zhǎng

to know something inside out

Senses

了若指掌/ 瞭若指掌 liǎo​ruò​zhǐ​zhǎng variants: 了若指掌 to know something inside out

to know something or someone extremely well, as if looking at things on the palm of one's hand; to know like the back of one's hand

References

same_as 了若指掌/瞭若指掌 了如指掌/了如指掌
same_as 了若指掌/瞭若指掌 了如指掌/瞭如指掌
same_as 了若指掌/了若指掌 了如指掌/了如指掌
variant 了如指掌/了如指掌 了若指掌/瞭若指掌
variant 了如指掌/瞭如指掌 了若指掌/了若指掌
variant 了如指掌/瞭如指掌 了若指掌/瞭若指掌