副詞 to perfection:

1. in every detail
   同義詞：to a T, to the letter, just right

1. He imitates people to perfection.
   他模仿別人，惟妙惟肖。
2. She takes off the Prime Minister to perfection.
   她模仿首相的樣子維妙維肖。
3. If a thing is not done to perfection, it is unacceptable.
   做得不完美的事是無法接受的。
4. She sings to perfection.
   她唱得好極了。