self-preservation

n [U] protection of oneself from harm or destruction; natural urge to survive 自我保护; 自身保存: the instinct for self-preservation 自我保存的本能.

self-esteem, self-evident, self-explanatory, self-help, self-image, self-importance, self-important, self-imposed, self-improvement, self-indulgence, self-indulgent, self-interest, self-locking, self-made, self-opinionated, self-pity, self-portrait, self-possessed, self-possession, self-praise, self-raising flour, self-reliance, self-reliant, self-repairing, self-respect, self-respecting, self-restoring, self-righteous, self-righteously, self-righteousness, self-rule, self-sacrifice, self-sacrificing, self-satisfaction, self-satisfied, self-sealing, self-seeking, self-service, self-starter, self-styled,