dedicate

Compared meaning: give a lot of time or effort to something (verb).

比较义项：投入大量时间或精力做某事（动词）。

• devote

  The neutral, everyday word for giving time or effort to something; fits ordinary, even minor, activities and does not imply a lifelong or solemn commitment.

  中性、常用的词，表示投入时间或精力做某事；适用于日常甚至琐碎的活动，不一定表示终生或郑重的承诺。

  She devotes ten minutes each morning to answering emails.

  她每天早上花十分钟处理邮件。

• dedicate 本词

  More formal and solemn; typically used for a serious cause, career, or life goal, and often implies total, lasting commitment, so it sounds too grand for trivial tasks.

  语气更正式、更郑重，通常用于严肃的事业或人生目标，往往暗示彻底而持久的投入，用在琐碎小事上会显得过于隆重。

  He dedicated his entire career to eradicating malaria in Africa.

  他把整个职业生涯都献给了在非洲根除疟疾的事业。

Devote and dedicate both mean to give time or effort to something. Devote is the everyday, neutral choice. Dedicate is more formal, for a life goal or career, and suggests total commitment. Dedicate can mean to name a book for someone; that is not compared.

这两个词在这个意义上很接近，都表示把时间或精力投入某件事；devote 更常用、语气中性，适合日常场景，dedicate 语气更正式、更郑重，常用于严肃的人生目标或事业，暗示彻底而持久的投入。这里不比较 dedicate 的另一义项——把书籍、建筑物等题献给某人以示纪念。