a fine line
US /ə faɪn laɪn/
UK /ə faɪn laɪn/
1.
una delgada línea, una sutil diferencia
a subtle distinction or difference between two things that are very similar but can have very different consequences
:
•
There's a fine line between confidence and arrogance.
Hay una delgada línea entre la confianza y la arrogancia.
•
It's a fine line between being helpful and being intrusive.
Hay una delgada línea entre ser útil y ser entrometido.