Meaning of build on sand | Babel Free
Definitions
To put something in an unstable position by failing to give it a secure foundation.
idiomatic
Examples
“Loveless marriages often end in divorce because they are built on sand.”
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.