If only problems would come one at a time!（英译中)

I would rather stay at home.（英译中)

Female sheep produce one or two lambs at a time.（英译中)

We may come at another time.（英译中)

My father and I only meet at meals.（英译中)

Would you mind if I smoke here？（英译中)

Lack of time forbids any further discussion at the point.（英译中)