joined at the hip
(два человека) проводящие всё время вместе, "не разлей вода"
The two friends are joined at the hip; they always spend all their time together.
Другие идиомы:
- able to breathe easily/freely again
- as broad as a barn door
- as dry as a bone
- as soft as a baby's bottom
- at each other's throats
- at the top of one's lungs
- back-to-back
- bad blood (between people)
- bare bones (of something)
- behind one's back
- go/be belly up
- blood is thicker than water
- blood runs cold
- blood, sweat, and tears
- blue blood