strategic

Compared meaning: important (adjective).

比较义项：重要的（形容词）。

• strategic 本词

  "Strategic" stresses that something is important because it is part of a deliberate plan to reach a goal; common in business, military and political contexts, e.g. "strategic decision," "strategic location."

  strategic（战略性的）强调该事物之所以重要，是因为它是为达成某个重要目标而经过周密规划的一部分；常用于商业、军事和政治语境，如“strategic decision”（战略决策）、“strategic location”（战略要地）。

  The board approved a strategic partnership to enter the Asian market.

  董事会批准了一项进入亚洲市场的战略合作伙伴关系。

• primary

  "Primary" means most important among several things or goals, the main one under consideration; fairly formal, typically used in phrases like "primary goal" or "primary concern."

  primary（主要的）强调在多个事物或目标中“最主要”的那一个；语气较为正式，常见搭配有“primary goal”（主要目标）、“primary concern”（首要关切）。

  Safety is the primary concern in the factory's new design guidelines.

  在工厂新的设计准则中，安全是首要关切。

• great

  "Great" describes something important or significant, often historical events, achievements or eras; formal and sometimes literary, as in "great achievement" or "great leader."

  great（伟大的）表示重要、意义重大，常用来描述历史事件、成就或时代；语气庄重，有时带文学色彩，常见搭配有“great achievement”（伟大成就）、“great leader”（伟大领袖）。

  Her research marked a great advance in the fight against cancer.

  她的研究标志着抗癌斗争中的一项伟大进展。

• big

  "Big" is informal and everyday, meaning significant or important, as in "big decision," "big day" or "big news"; used in casual speech rather than formal writing.

  big（重要的）语域非正式，日常口语中用来表示“重大、了不起”，常见搭配有“big decision”（重大决定）、“big day”（重要的日子）、“big news”（重大消息）。

  Moving to a new city was a big decision for our whole family.

  搬到一个新城市对我们全家来说是一个重大决定。

All four mean important. Strategic stresses importance because something is part of a careful plan to reach a goal. Primary means most important among several things or goals. Great is formal, often for historical or grand things. Big is informal, used in everyday speech.

这四个词都能表示“重要”，但依据不同：strategic 强调是为达成重要目标而经过周密规划的；primary 强调在多个事物中“最主要”的一个；great 语气庄重，常用于历史性、宏大的场合；big 则是口语化的说法。这里不比较 strategic 单纯指“军事战略上的”的义项，也不比较 great 常用的“极好的、令人愉快的”义项（如 great party）、big 表示“体积大的”的义项，以及 primary 表示“小学的”（primary school）的义项。