life-and-death (also life-or-death)

adj [attrib 作定语] serious; crucial; deciding between life and death 严重的; 关系重大的; 生死攸关的: desert animals locked in a life-and-death struggle with the elements 囿於沙漠中与自然环境作生死搏斗的动物 * (fig 比喻) a life-or-death attempt to reach the grand final 为进入大决赛而作殊死拚搏的尝试.

lie-in, lied, liege, lien, lieu, Lieut (also Lt), lieutenancy, lieutenant, life, life annuity, life assurance, life insurance, life cycle, life expectancy, Life Guards, life history, life interest, life peer, life sciences, life story, life work, life-blood, life-boat, life-giving, life-guard, life-jacket, life-preserver, life-raft, life-saver, life-saving, life-size, life-size, life-sized, life-span, life-style, life-support, life-time, life-work, lifebelt (also lifebuoy), lifeboat, lifeless, lifelessly,