in strong disagreement or conflict
en fort désaccord ou conflit (en fort désaccord ou conflit)
"The two departments have been at loggerheads over the new policy."
"Les deux départements ont été en fort désaccord sur la nouvelle politique." (les deux départements ont été at loggerheads sur la nouvelle politique)
to respond quickly and angrily to criticism
to gain access to a computer or system
having lived a long and fulfilling life
Working together closely and equally.
something attractive but not allowed or morally wrong
to fail to keep a promise