cohesive

Compared meaning: joined together, unified (adjective).

比较义项：联合的、结合在一起（形容词）。

• united

  Describes people or a group feeling or acting as one, often from shared emotion or purpose; common after 'felt' or 'stand', and in set phrases like 'stand united'.

  描述人或群体因共同情感或目标而团结一致、协同行动；常与 felt、stand 搭配，如 stand united（团结一致）。

  The volunteers felt united in their determination to rebuild the town.

  志愿者们在重建小镇的决心中感到团结一致。

• allied

  Describes separate parties, usually countries or organizations, formally joined together for a common cause or against a common enemy; often takes 'with' and suits political or wartime contexts.

  描述国家或组织等各自独立的一方为共同目标或对抗共同敌人而正式结盟；常与 with 搭配，多用于政治或战争语境。

  France and Britain were allied against a common enemy in both wars.

  法国和英国在两次战争中都结盟对抗共同的敌人。

• cohesive 本词

  Describes the internal tightness of a group whose members fit and work together smoothly; typically modifies nouns like 'unit', 'team' or 'group' rather than describing feelings.

  描述群体内部结构紧密、成员配合顺畅；通常修饰 unit、team、group 等名词，而不是表达情感。

  Good communication makes a sports team far more cohesive on the field.

  良好的沟通能让运动队在场上更有凝聚力。

United, allied, and cohesive all describe people or groups joined together, but they differ. United stresses feeling or acting as one. Allied stresses a formal alliance for a shared goal, usually between countries. Cohesive stresses a tight, well-coordinated structure within a group.

这三个词都可表示人或团体“联合在一起”，但侧重点不同：united 强调情感或行动上团结一致，allied 强调为共同目标正式结盟（常用于国家、团体之间），cohesive 强调内部结构紧密、协调一致。三者用法和搭配对象不同，容易混淆。