剑桥词典a final attempt to prevent something from happening 最后一搏；顽抗到底；竭尽全力 The unions were determined to fight a rearguard action against the government's plans to strip them of their powers . 各工会下定决心作最后一搏，以抗拒政府剥夺其权力的计划。 返回 rearguard action