crumble

Compared meaning: breaking into pieces (verb; smash as noun).

比较义项：东西破碎成碎片（break、shatter、crumble 为动词，smash 在此为名词）。

• break

  The most general, neutral word for something coming apart into pieces; it does not specify force, speed, or piece size, and works for almost any object.

  最普通、中性的词，指东西裂开、碎成几块；不强调力度、速度或碎片大小，几乎可以用于任何物体。

  He accidentally broke his mother's favorite mug while washing the dishes.

  他洗碗时不小心打破了妈妈最喜欢的杯子。

• shatter

  Describes something, often glass or something brittle, breaking suddenly and completely into many tiny pieces, usually with force or a sharp sound; stronger and more dramatic than break.

  指某物（常是玻璃或易碎品）突然、彻底地碎成许多细小的碎片，通常伴有力量或清脆的声响；语气比 break 更强烈、更具戏剧性。

  The vase shattered into dozens of pieces the moment it hit the tile floor.

  花瓶一碰到瓷砖地板就摔成了几十片碎片。

• smash

  Used here as a noun for a single violent, forceful act of breaking something, often with a loud noise; it stresses the force and suddenness of the impact rather than the resulting pieces.

  此处作名词，指一次猛烈、用力的打碎动作，常伴有很大的响声；强调撞击的力度和突然性，而不是破碎后的结果。

  Neighbors heard a loud smash of glass and called the police right away.

  邻居们听到一声很大的玻璃破碎声，立刻报了警。

• crumble 本词

  Describes something breaking apart gradually into small, often dry or crumb-like pieces, usually from age, weakness, or decay rather than a sudden impact; far less violent than the others.

  指某物逐渐碎裂成细小、常常干燥或像碎屑一样的小块，通常是因为老化、脆弱或腐坏，而不是一次突然的撞击；比其他几个词温和得多。

  Old plaster on the ceiling had begun to crumble and fall in small flakes.

  天花板上的旧石膏开始碎裂，一小片一小片地掉下来。

Break, shatter, crumble, and smash (as a noun) all describe something breaking into pieces. Break is the general, neutral word. Shatter means breaking suddenly into many tiny pieces. Smash is a noun for a violent breaking act. Crumble means breaking slowly, from age or weakness.

这几个词都表示「东西碎成一块块」，但破坏方式、力度和词性不同：smash 在此为名词，指一次猛烈打碎的动作而非更常见的动词用法，break 最为中性平常，shatter 强调突然彻底碎成许多小片，crumble 则是缓慢碎裂、多因老化或脆弱。这里不比较 break 表示「休息」的义项，也不比较 crumble 表示（制度、关系等）逐渐瓦解的比喻义。

Compared meaning: to fall down or collapse suddenly or slowly (verb).

比较义项：（建筑物、系统或人的姿态、情绪等）突然或逐渐地倒塌、崩溃、瓦解（动词）。

• collapse

  The all-purpose word for total, sudden failure; used broadly for buildings, systems, or a person losing strength, without the rolling motion of tumble or the fragment-by-fragment sense of crumble.

  最通用的词，指彻底、突然的失效；可广泛用于建筑、系统或身体虚脱，没有 tumble 那种滚动跌落的意味，也没有 crumble 那种一点点碎裂的过程。

  The old bridge collapsed without warning during the storm last night.

  那座旧桥在昨晚的暴风雨中毫无预警地倒塌了。

• tumble

  Emphasizes a fall with a rolling or toppling motion, often of a person or object losing balance; less suited to describing slow structural failure like crumble.

  强调像滚动、跌倒一样地摔落，常用于人或物体失去平衡的情形；不太适合表示像 crumble 那样缓慢的结构性损坏。

  He lost his balance and tumbled down the steep staircase.

  他没有站稳，从陡峭的楼梯上一路翻滚着摔了下去。

• crumble 本词

  Highlights a slow, gradual process of breaking into pieces over time, typically for old buildings or long-lasting things; rarely describes one sudden instant of failure.

  强调随着时间缓慢地一点点碎裂瓦解的过程，常用于老旧建筑或持续很久的事物，很少表示某一瞬间突然的失效。

  The ancient castle walls have been slowly crumbling for centuries.

  这座古老城堡的墙壁几个世纪以来一直在慢慢崩塌瓦解。

• crumple

  Describes something suddenly folding or giving way, as if crushed like paper; often used for a person's face, posture, or resistance collapsing emotionally in an instant.

  描述某物像纸张被揉皱一样突然瘪下去、崩溃，常用于人的表情、姿态或抵抗力在瞬间于情感上崩溃。

  Her smile crumpled the instant she read the tragic news.

  她一读到那则悲惨的消息，笑容瞬间就垮了下来。

Collapse, tumble, crumble, and crumple all mean to fall down suddenly or slowly. Collapse is the general word for total, sudden failure. Tumble stresses a rolling, toppling fall. Crumble means breaking apart slowly, over time. Crumple means suddenly giving way, like a face losing control.

这四个词都能表示（建筑、系统或人的姿态、情绪等）倒塌、崩溃、瓦解，但过程和语气不同：collapse 最通用，强调彻底失效；tumble 强调像滚动、跌倒一样地摔落；crumble 强调随时间一点点碎裂瓦解的过程；crumple 强调像纸张被揉皱一样突然瘪下去，多用于人的表情或抵抗力。这里不比较 crumple「把纸张等揉皱」的字面义。