know the inside story; know sb. thoroughly
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesverb
to know the inside story or background; to know someone thoroughly
Commonly used to describe close relationships where people know each other's history, family background, and character well. Often implies a long-standing relationship with no secrets.
Wǒ我
men们
shì是
lǎo老
péng朋
you友
la啦
，
bǐ彼
cǐ此
dōu都
zhī知
gēn根
zhī知
dǐ底
。
We are old friends; we know each other thoroughly.
Tā他
men们
liǎ俩
shì是
qīng青
méi梅
zhú竹
mǎ马
，
zhī知
gēn根
zhī知
dǐ底
de的
。
They are childhood sweethearts who know each other inside out.
Show 1 more exampleShow fewer examples
Zhī知
gēn根
zhī知
dǐ底
de的
rén人
cái才
néng能
chéng成
wéi为
zhēn真
zhèng正
de的
hé合
zuò作
huǒ伙
bàn伴
。
Only people who know each other's background thoroughly can become true partners.