c'est la guerre

To them and to us C'est la guerre had much the significance of "All in the day's work."

If they happened to have been five minutes in France they might have philosophically added "c'est la guerre."

If you grumble, a clerk will smile and say, "C'est la guerre."

I can only murmur with the French shop keepers "c'est la guerre."

He simply shrugged his shoulders and said, 'C'est la guerre.'