“方便”用英语怎么说?

各种【方便】怎么表达
(1)现在不方便
Now is not a good time.
(2)失陪,我要去方便一下
Excuse me. I need to use the bathroom.
(3)便利店很方便
Convenience stores are very convenient.
(4)如果你方便的话,请给我回电
If it's convenient for you, please call me back.
(5)在你方便的时候给我回电
Call me back at your convenience.
(6)我不喜欢方便面
I don't like instant noodles.