They don't feel they can provide the best service when they're caught up in that situation. They will make the best of the environment they're offered, but they will give you fair warning that they will not be able to do as best they might.
Clerk of the House of Commons
They don't feel they can provide the best service when they're caught up in that situation. They will make the best of the environment they're offered, but they will give you fair warning that they will not be able to do as best they might.
See context to find out what was said next.