HSK V7-9
Correct

知己

/ zhījǐ / 
Strokes

Definition

to know oneself/to be intimate or close/intimate friend

Example

As an Adjective

intimate; understanding

1
Hé
和
mǒurén
某人
hěn
很
zhījǐ
知己

be on intimate terms with sb

2
Zhījǐ
知己
huà
话

intimate words; heart-to-heart talk

3
Zhījǐ
知己
de
的
péngyou
朋友

bosom/intimate friend; soul mate; alter ego

As a Noun

bosom/intimate friend; confidant; soul mate; alter ego