Terms for subject Contextual meaning containing is that

English	Russian
and that's that	и только (I have known this gentleman for many years and have always accepted the fact that his success has come through sheer hard work – and that's that!)
as a general rule, my opinion is that military men must be kept out of it. It's folly to take their advice	я вообще считаю, что военных надо держать в стороне. Глупо с ними советоваться (Эренбург)