key

/kiː/ n. / adj.
标准词条 CET-4CET-6IELTS
一句话记住

钥匙；关键；答案；关键的；最重要的

释义与例句

n. 钥匙；关键；答案
an object that opens a lock, or something that explains, solves or provides answers
  1. I left my keys on the kitchen counter.
    我把钥匙落在厨房台面上了。
  2. Hard work is often the key to success.
    努力往往是成功的关键。
展开其余 1 条例句
  1. Check your answers against the key at the back of the book.
    对照书后的答案检查一下你的回答。
adj. 关键的；最重要的
extremely important and having a major influence on something
  1. Cost is a key factor in our decision.
    成本是我们决策中的关键因素。
  2. She played a key role in the negotiations.
    她在谈判中发挥了关键作用。
展开其余 1 条例句
  1. The report highlights three key issues.
    报告强调了三个关键问题。

词源与构词

记忆钩子 the key to 中的 to 是介词，后接名词或动名词，如 the key to solving the problem。

词族与关联词

同义词
  • crucial 至关重要的；关键的
    crucial 语气较强，强调对结果起决定性作用；key 泛指非常重要，常用于 key factor、key role 等搭配。
    Timing is crucial to the success of the operation. 时机对这次行动的成功至关重要。
反义词
  • unimportant 不重要的
    The missing detail is relatively unimportant. 缺失的细节相对不重要。
易混词（形近或义近，注意区别）
  • answer 回答；答案
    answer 指某个问题的具体回答；key 可指供核对的一整套标准答案，也可指解决问题的关键。
    She wrote down the answer to the first question. 她写下了第一道题的答案。
常见搭配
  • the key to ……的关键；……的钥匙
    Trust is the key to a strong relationship. 信任是稳固关系的关键。
  • play a key role in 在……中发挥关键作用
    Technology played a key role in the project's success. 技术在该项目的成功中发挥了关键作用。
  • a key factor 关键因素
    Location was a key factor in choosing the hotel. 位置是选择这家酒店的关键因素。