1. The start or commencement of a period of employment or professional duty
The beginning of service in the military requires basic training.
O início do serviço militar requer treinamento básico.
2. The point at which a service provider starts offering services to a customer
The beginning of service for the internet connection was delayed by two weeks.
O início do serviço de internet foi atrasado em duas semanas.
3. In tennis or volleyball, the start of play when a player serves
The beginning of service is marked by the player's first serve.
O início do serviço é marcado pelo primeiro saque do jogador.