to do something secretly without their knowledge
faire quelque chose secrètement sans qu'ils en aient connaissance (faire quelque chose secrètement sans qu'ils en aient connaissance)
"She was talking about me behind my back."
"Elle parlait de moi derrière mon dos." (Elle parlait de moi **derrière mon dos**.)
A ceremony or event marking an important stage in someone's...
to have a good and peaceful sleep
to reveal something secret unintentionally
When bad things happen, they happen all at once.
to go beyond the usual limits or boundaries; to innovate
to offer assistance or support