'best endeavours' is a correct and usable phrase in written English.
You can use it when you want to express that someone is trying as hard as they can, or doing their best, to achieve something. For example: "We will do our best endeavours to make sure all students on our course succeed."
He added: "Our client uses its best endeavours to ensure that its marketing materials are correct".
Sometimes the modern world intrudes despite our best endeavours, I suppose.
"This issue is whether we took our best endeavours on the day to stop the chanting.
We're giving it our best endeavours, so please bear with us.
Ferguson has previously been immune to any punishment because of a rights regime which requested that managers talk to the broadcast rights-holders under a "best endeavours" clause.
The shortlists for the annual Royal Philharmonic awards, which reward the best endeavours in classical music, have been announced, ahead of the prize ceremony on 10 May.
But with no private company yet to get a craft with passengers onboard into orbit, or even sub-orbit, how can you best endeavour to lead an industry that is still very much in an embryonic state?
Mind you, these platitudes, though irritating, will soon be backed up by serious injections of cash to support the very best scientific endeavour.
"We wish her all the very best in whatever endeavours she chooses to undertake in her future".
A firm prediction that the owner of the Daily Mail was poised to buy the Daily Telegraph, when that newspaper was up for sale, is among the endeavours best forgotten.
Adult learners respond best to educational endeavours that permit them to determine their own learning goals and include topics relevant to their own daily experience and interests (Cross, 1981).
