be a veteran in battle; battle-seasoned; has fought a hundred battles; have experienced many battles;
map out a strategy; devise strategies within a command tent;
once more see the light of day -- to be delivered from oppression; release after imprisonment or great injustice;
do whatever one wants;follow one's bent;
spend one's time in drinking and pleasure; to indulge in sensual pleasures
Comfortable in a certain field
The greatest truths is concise.
