at the same time
Non è la prima volta che Tom è uscito con due ragazze in contemporanea.
It’s not the first time Tom has gone out with two girls at the same time.
Ha fatto entrambi in contemporanea.
He did both at the same time.
Tom e Mary cominciarono a parlare in contemporanea.
Tom and Mary began talking at the same time.
Non fare troppe cose in contemporanea.
Don't do too many things at once.
Tom e Mary hanno cominciato a parlare in contemporanea.
Tom and Mary started talking at the same time.
Lui fece entrambe in contemporanea.
He did both at the same time.