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perfectly + verb
perfectly 常置于动词前或后。
She performed the piece perfectly.
她完美地演奏了这首曲子。
完美地；圆满地
先理解核心含义，再看它在真实句子里的用法。
完美地；圆满地
in a perfect way; with perfection
She performed the piece perfectly.
她完美地演奏了这首曲子。
完美地。
With perfection.
完全地,彻底地。
Wholly, completely, totally.
She played the piano perfectly at the concert.
她在音乐会上完美地演奏了钢琴。
The plan worked out perfectly, despite the initial doubts.
尽管起初有疑虑，计划还是完美地实现了。
I understand your concerns perfectly.
我完全理解你的担忧。
perfectly 常置于动词前或后。
She performed the piece perfectly.
她完美地演奏了这首曲子。
此时 perfectly 意为“完全地”，修饰形容词。
The weather was perfectly calm.
天气非常平静。
常用于强调清晰或明显。
It is perfectly clear that he is lying.
很明显他在撒谎。
Not this
The answer is perfectly.
Use this
The answer is perfect.
误将副词'perfectly'用作形容词作表语。在系动词后应使用形容词'perfect'来描述主语的状态。
Not this
She is a perfectly teacher.
Use this
She is a perfect teacher.
误将副词'perfectly'用作定语修饰名词。副词不能直接修饰名词，应使用形容词'perfect'来修饰名词'teacher'。
Not this
I perfectly forgot the meeting.
Use this
I completely forgot the meeting.
误用'perfectly'表示'完全地'。'perfectly'虽可表示'完全地'，但通常修饰形容词（如perfectly clear），在动词前更常用'completely'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
完全正常
It's perfectly normal to feel nervous before an exam.
考试前感到紧张是完全正常的。
非常开心
She was perfectly happy with the results.
她对结果非常满意。
十分清楚
He made it perfectly clear that he wouldn't change his mind.
他十分清楚地表示不会改变主意。
很好
This is a perfectly good example of the technique.
这是该技巧的一个很好例子。
非常适合
The candidate is perfectly suited for the job.
这位候选人非常适合这份工作。
时机恰到好处
Her arrival was perfectly timed for the start of the ceremony.
她的到来时机恰好，正值仪式开始。
完全可以接受的；很好的
This is a perfectly good car, even though it's 10 years old.
这是一辆完全可以接受的车，尽管已经10年了。
非常清楚；完全明白
I thought I made myself perfectly clear, but you still didn't understand.
我以为我说得非常清楚了，但你仍然没明白。
非常高兴；完全满意
I'm perfectly happy to stay home tonight.
我今晚非常乐意待在家里。
完美平衡，一如万物应当如此。
She understood the instructions perfectly and completed the task without any mistakes.
她完全理解指示，毫无差错地完成了任务。
Use perfectly naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“perfect完美”加“-ly地”，想象考试得满分，做得完美无缺。
‘perfectly’作‘完全地’解时多用于非正式场合，作‘完美地’解时则常用于中性或正式场合。
通常置于所修饰的形容词前或动词后
Dictionary facts from ECDICT, WIKTIONARY.