膨胀

• ピンイン: péng zhàng
• 漢字の分解: 膨 = 月 + 彭 (flesh + full resounding — body swelling outward); 胀 = 月 + 长 (flesh + grow — body growing in size)

意味

膨張する／膨れ上がる

Used both literally (thermal expansion, swelling) and figuratively (欲望膨胀 — desires ballooning, 通货膨胀 — monetary inflation, 人口膨胀 — population surge). The figurative sense often implies undesirable or uncontrolled growth.

例文

1. 金属受热会发生膨胀，因此桥梁设计中必须预留伸缩缝以应对温度变化。
2. 随着企业规模的迅速膨胀，内部管理的复杂性也随之大幅上升。
3. 过度的成功有时会令人的野心急剧膨胀，使其失去对现实的清醒判断。

使い方ガイド

場面: physics, economics, psychology, urban development

トーン: neutral

正しい言い方

• 通货膨胀率持续攀升，导致民众的实际购买力大幅缩水，生活成本压力与日俱增。(The continuous rise in the inflation rate has led to a significant reduction in the real purchasing power of the public, with the pressure of living costs increasing day by day.)
• 公司规模的迅速膨胀带来了组织管理上的严峻挑战，需要建立更为完善的内控体系。(The rapid expansion of the company's scale has brought serious challenges to organisational management, requiring the establishment of a more comprehensive internal control system.)

避ける言い方

• 他的肚子膨胀了 — in casual speech use 鼓起来 or 胀大 for everyday bloating; 膨胀 sounds overly technical for minor physical swelling

起源と歴史

膨 (swell) + 胀 (expand) — two near-synonyms combined to emphasise expansion in volume or scale

文化的背景

世代: All ages

社会的背景: Universal