present perfect
collocation现在完成时
In English, the present perfect connects the past to the present.
在英语中，现在完成时把过去与现在联系起来。
完成时；完成式
perfects — plural of perfect
先理解核心含义，再看它在真实句子里的用法。
完成时；完成式
The perfect tense, or a form in that tense.
The teacher explained the difference between the simple past and the present perfect.
老师解释了简单过去时和现在完成时的区别。
完成时态,或该时态中的一种形式。
The perfect tense, or a form in that tense.
用于描述已完成动作的动词时态(有时被视为完成体)
a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)
满分；在没有错误的情况下完成一个阶段或任务。
A perfect score; the achievement of finishing a stage or task with no mistakes.
In English, the perfect is formed with the auxiliary verb 'have' plus the past participle.
在英语中，完成时态由助动词'have'加过去分词构成。
Learning the perfect can be tricky for Chinese speakers because Chinese does not have an exact equivalent.
学习完成时态对中文使用者来说可能比较棘手，因为中文没有完全对应的语法结构。
Choose the next layer that will help you use perfects with more confidence.
Recommended next
Missing: Usage patterns
Complete this area with usage patterns.
Missing: Common mistakes
Complete this area with common mistakes.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
现在完成时
In English, the present perfect connects the past to the present.
在英语中，现在完成时把过去与现在联系起来。
过去完成时
She had already left when I arrived; that's the past perfect.
我到达时她已经离开了；那就是过去完成时。
将来完成时
By next month, I will have finished the project—this requires the future perfect.
到下个月，我将已完成这个项目——这需要用将来完成时。
完成时（态）
The perfect is formed with 'have' and a past participle.
完成时由“have”加过去分词构成。
熟能生巧
Don't give up; remember that practice makes perfect.
不要放弃；记住熟能生巧。
完美风暴（指多种不利因素同时出现导致的极糟局面）
The company faced a perfect storm of rising costs and falling demand.
公司面临着成本上升和需求下降的完美风暴。
在完美的世界里（表示愿望虽好但不现实）
In a perfect world, we would never have to work.
在完美的世界里，我们永远不用工作。
哦，没有人是完美的。
This famous line 'Well, nobody's perfect' from the 1959 film 'Some Like It Hot' is often quoted to say that everyone has flaws.
这句“哦，没有人是完美的”出自1959年电影《热情如火》，常被引用来表示每个人都有缺点。
完美是美好的敌人。
Often attributed to Voltaire, the saying 'The perfect is the enemy of the good' warns that chasing perfection can prevent a good result.
这句话常被归为伏尔泰所言，意在告诫人们：追求完美反而可能妨碍获得一个好结果。
Use perfects naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 perfect 拆成 per-fect，联想"每一部分都对"，名词时指满分或完成时：想象试卷上写着 perfect score。
语域：mixed 常见场景：语法教学、语言学讨论、考试或比赛评分 作为名词时，场合不同用法有别：指“完成时/完成体”时较正式，多用于语法讲解或学术讨论；指“满分、完美表现”时较口语化，常见于学生或比赛等场景。
语法术语，指完成时态
Dictionary facts from DICTIONARY_API_DEV, ECDICT, OCTANOVE, WIKTIONARY.