lie behind

US /laɪ bɪˈhaɪnd/
UK /laɪ bɪˈhaɪnd/
"lie behind" picture
1.

to be the real reason or explanation for something

:
•
The true motives lie behind his sudden resignation.
•
What lies behind their decision to move?
:
underliebe the cause ofbe the basis ofbe the root ofbe the foundation of
:
lielie inbehindlie downlie aroundlie aheadlie low