He calmed down after a while.- 他过了一会就冷静了.
The storm calmed down after a day.- 暴风雨一天后就平息了.
He is concerned about his results.- 他关心他的成绩.
He is concerned about his sick sister.- 他关心他生病的妹妹.
He will not leave,not until he gets what he wants - 除非他拿到他要的东西.
He has no money,not until the next payday.- 他没钱了,直到下个发工资日.
He have got to go home.- 他必须回家.
He have got to go to school.- 他必须去学校.