对…无动于衷
to not care about something or be unwilling to react to it
I think he's largely insensible to other people's distress. 我觉得他对别人的苦恼大多无动于衷。
She seems insensible to the risks she is taking.
They were not insensible of the problems they were causing us.
How could anybody be insensible to such a declaration of love?
They were insensible to the effect their arguments were having on the children.
See also: insensible