He had to go to the hospital for treatment.
他不得不去医院接受治疗。
Had I known that I would never have come.
要是早知道，我绝不会来的。
He had to go to hospital for treatment.
他不得不去医院接受治疗。
I've had to put my plans into cold storage.
我不得不把我的计划暂时搁置起来。
I had a long conversation with her the other day.
前几天我与她作了一次长谈。