compact

Compared meaning: small in height, size, or build (adjective).

比较义项：形容长度、体积或身材“矮小、短小”（形容词）。

• short

  The everyday, neutral word for below-average height or length; it says nothing about width, so a person or thing can be short and slim, unlike squat or chunky, which both add bulk.

  日常、中性的词，表示长度或身高低于平均水平；它不涉及宽度，因此人或物可以在short的同时依然纤细，这一点不同于都暗示“粗壮”的squat和chunky。

  She is short but slender, unlike her stocky brother.

  她个子short，很苗条，不像她那魁梧的哥哥。

• squat

  Combines shortness with noticeable width or thickness, used for people, animals, or objects with a low, solid stance; often carries a slightly unflattering or unattractive tone.

  把“矮”和明显的“宽、粗壮”结合在一起，常用来形容人、动物或姿态低矮扎实的物体；squat往往还带一点不好看、不讨喜的语气。

  The bulldog has a squat, muscular body close to the ground.

  这只斗牛犬身材squat，肌肉发达，紧贴地面。

• compact 本词

  Focuses on efficient use of space rather than shortness or body build; used for objects like cars, cameras, or kitchens, with a positive, practical tone, almost never describing a person's height.

  强调的是空间利用的高效，而不是矮小或体型；compact常用来形容汽车、相机、厨房等物品，带有积极、实用的语气，几乎不用来形容人的身高。

  This compact camera fits easily into a small pocket.

  这款compact相机很容易装进小口袋。

• chunky

  Describes a short, heavily built body, similar to squat but more casual and applied mainly to people or thickly cut things; it stresses bulk and solidity more than simply a lack of height.

  形容矮壮结实的体型，和squat类似，但chunky语气更随意，主要用于形容人（或切得很厚的食物）；它更强调厚实、健壮，而不只是不高。

  He's a chunky guy with broad shoulders and thick arms.

  他是个chunky的男人，肩膀宽阔，手臂粗壮。

Short, squat, compact, and chunky can all mean small in size. Short is neutral and common, just meaning below-average height. Squat and chunky both add width or bulk, with a slightly negative, casual tone. Compact stresses efficient use of space, mainly for objects, not people.

这四个词都能表示“个子矮小”或“尺寸小”，但语气和侧重点不同：short最中性、最常用；squat和chunky都强调矮壮结实，语气偏随意甚至略带贬义；compact侧重节省空间、多用于物品而非人。这里不比较squat作动词的“蹲下”义、compact作名词的“协议”义，以及short表示“简短的、无礼的、缺少的”等其他义项。

Compared meaning: to press something to make it smaller or tighter (verb).

比较义项：压紧、挤压使变小或变紧（动词）。

• compact 本词

  Compact emphasizes pressing loose material—soil, snow, waste—into a firm, dense mass; it centers on solidity, not shrinking overall size, and is rarely used for gases, tubes, or feelings.

  compact 强调把松散的材料（如土壤、雪、垃圾）压实成紧密的一整块，重点在于变得结实，而非整体体积缩小，很少用于气体、管道或情绪。

  The construction crew used a roller to compact the gravel before paving the road.

  施工队用压路机把碎石压实，然后再铺路。

• compress

  Compress emphasizes reducing size, volume, or duration by squeezing something into less space—files, gases, springs, schedules—often reversibly, and rarely describes narrowing a passage or living tissue.

  compress 强调通过挤压把体积、大小或时长压缩变小——如文件、气体、弹簧、日程安排——通常是可逆的，很少用来表示使通道或身体组织变窄。

  Modern software can compress a video file to a fraction of its original size.

  现代软件可以把视频文件压缩到原来大小的一小部分。

• constrict

  Constrict emphasizes narrowing a passage or opening—blood vessels, the throat, pupils—often causing tightness or restricted flow, and extends easily to fear or anxiety tightening the body.

  constrict 强调使管道或开口变窄——如血管、喉咽、瞳孔——常带来收紧或血流受限的感觉，也很容易引申为恐惧、焦虑等情绪使身体收紧。

  Cold weather can constrict blood vessels and reduce circulation to the fingers.

  寒冷的天气会使血管收缩，减少手指的血液循环。

Compact, compress, and constrict mean pressing something tighter, but objects differ. Compact presses material into a dense mass. Compress squeezes something into less space, like files. Constrict narrows a passage, like a blood vessel or the throat. This excludes compact meaning small (a compact car).

这三个词都表示通过施压使物体变紧、缩小或变窄，但施压对象和效果各有侧重：compact 强调把松散的材料压实成紧密的一整块，compress 强调把体积或空间压缩得更小，constrict 则强调使管道、咽喉等通道变窄或收紧，也可用于比喻恐惧等情绪对身体的影响。这里不比较 compact 作形容词表示“小巧的”（如 a compact car）的用法。