0 very brave or bravely determined, especially when things are difficult or the situation gives no cause for hope -- 英勇的，勇猛的；果敢的
It is a valiant effort to make sense of almost all current information on states of consciousness, organizing it according to three simple-sounding dimensions.
The editors have made a valiant attempt to pull together an eclectic mix of information.
The extremely broad content really does make a valiant effort to cover all aspects of 'music in the school'.
Each of the various authors makes valiant efforts to echo this concern for the long term.
This is only to be expected in what is nevertheless a valiant attempt to co-ordinate rapidly research findings on such a major new policy initiative.
The rhetoric of a ' war on ageing ' positions the practitioners of anti-ageing medicine on moral high ground, as valiant warriors against a terrible fate.
It is a valiant, and impressively successful, effort and one which is a joy to read.
Yet, taken as a whole, this valiant effort is not wholly successful.
