(1)必要なだけ
(2)as much as necessary; "Have I eaten enough?"; (`plenty' is nonstandard) "I've had plenty, thanks"
さらに詳しく
(1)4位で
(2)in the fourth place; "fourthly, you must pay the rent on the first of the month"
(1)しかしながら
(2)however
(3)(postpositive) however; "it might be unpleasant, though"