involve

Compared meaning: need something because of a task (verb).

比较义项：因某种情况、任务或活动而需要、要求某事物（动词）。

• require

  Neutral, formal verb for a fixed or official necessity; used with concrete conditions, documents, or qualifications that a rule or situation makes mandatory.

  require语气中性、正式，用于表示官方或规则规定的固定必要条件，常搭配具体的证件、条件或资质。

  Visa applications require a valid passport photo and proof of address.

  签证申请需要一张有效的护照照片和地址证明。

• take

  Common with time, effort, or personal qualities like patience and courage; often appears in 'it takes...' or duration constructions rather than official rules.

  take常与时间、精力或耐心、勇气等个人品质搭配，多用于“It takes...”或表示时长的句型，而非官方规定。

  Baking this cake will take about an hour and a lot of patience.

  烤这个蛋糕大约需要一个小时，还需要很多耐心。

• involve 本词

  Describes what an activity or situation naturally contains as part of it, often followed by a gerund or list of tasks, rather than a strict rule.

  involve描述某项活动或情况本身自然包含的内容，后面常接动名词或一系列任务，而不是强制性的规定。

  Working at this hospital involves long night shifts and constant multitasking.

  在这家医院工作涉及很长的夜班和持续不断的多任务处理。

• ask

  Suggests something is expected or demanded as fitting or due, stressing a considerable amount; often paired with 'a lot of' or 'too much', focused on burden.

  ask暗示某事被视为理所应当或应尽的义务，强调数量之大，常与“a lot of”“too much”连用，侧重负担感。

  This demanding role asks a great deal of patience and dedication from us.

  这份要求很高的工作向我们要求极大的耐心和奉献精神。

Require, take, involve, and ask can all mean 'need something'. Require is formal, for fixed conditions. Take is used with time or qualities like patience. Involve describes what an activity naturally includes. Ask suggests a demand or burden. Not compared: take meaning 'grab' or 'receive'.

这四个词都可以表示某种情况、任务或活动“需要”或“要求”某种条件、资源或品质，但正式程度和搭配不同；这里不比较 take 的“拿、接受”义，也不比较 ask 的“询问、请求某人做某事”义。