新陈代谢

• Pinyin: xīn chén dài xiè
• Hanzi breakdown: 新 = 亲 + 斤 (freshly cut; new); 陈 = 阜 + 东 (old/established); 代 = 人 + 弋 (substitute/generation); 谢 = 言 + 射 (departing)

Meaning

Metabolism; the process of renewal in which the old is replaced by the new. In biology: the chemical processes sustaining life; broadly: natural cycles of replacement and renewal.

Used in scientific contexts (biological metabolism) and social/cultural commentary (generational renewal, organisational turnover). A versatile four-character compound.

Examples

1. 规律的运动能够促进身体的新陈代谢，有助于保持健康体重。 Regular exercise can boost metabolism and help maintain a healthy weight.
2. 任何组织都需要新陈代谢，不断吸收新鲜血液才能保持活力。 Any organization needs renewal—only by continually bringing in fresh talent can it stay vibrant.
3. 细胞的新陈代谢过程受多种酶的精密调控。 Cellular metabolism is precisely regulated by many enzymes.

Usage Guide

Context: biology, medicine, social commentary, organisational management

Tone: neutral

Do Say

• 基础代谢率下降是中老年人新陈代谢减缓的主要原因，合理的饮食结构和适度运动能有效改善这一状况。(A decline in basal metabolic rate is the main reason for the slowdown in metabolism among middle-aged and older adults; a reasonable diet and moderate exercise can effectively improve this condition.)
• 企业的长久发展依赖于人才的新陈代谢，只有不断引入具备创新能力的年轻人，才能应对瞬息万变的市场挑战。(The long-term development of a company depends on the renewal of talent — only by continuously bringing in young people with innovative capacity can a company meet the ever-changing challenges of the market.)

Don't Say

• 我今天新陈代谢了 — this is a formal process noun, not a verb; say 我的新陈代谢很活跃 or 代谢正常

Origin & History

新陈 (new replacing old) + 代谢 (generation replacing generation) — originally a biological term now extended to organisational and societal renewal

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal