to necessitate sb doing sth迫使某人做某事
He poured her some wine, a gesture that necessitated him moving to the other side of the room.他特意走到房间的另一边给她倒了些酒。
Jack had suffered several sudden illnesses, sometimes necessitating him being admitted to hospital.杰克好几次突然病倒, 有几次不得不被送进医院。