exactly at the right moment
exactement au bon moment (exactement au bon moment)
"The dog barked on cue when the actor opened the door."
"Le chien a aboyé au bon moment quand l'acteur a ouvert la porte." (Le chien a aboyé on cue quand l'acteur a ouvert la porte.)
to improve one’s thinking or problem-solving ability through...
to do a lot of difficult or complicated things to achieve so...
to experience success for the first time
to do something risky without worrying
to begin a new stage or period in life
to protect your computer system or network from attacks