尽全力 by main force; do one's best; do one's utmost; go all out; make strenuous efforts; strain; to the best of one's ability; tothebestofone‘sability; with might and main 自身力源假臂 body powered arm .
This was that they could makestrenuousefforts to qualify for the euro, slashing public spending and holding down wages and other costs, and then relax as soon as they got in.