word-perfect

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌword-ˈperfect adjective British English  REMEMBERable to remember and say every word of something correctly 背得一字不差的 She rehearsed her speech until she was word-perfect. 她反复练习，直到把讲稿背得滚瓜烂熟。

Examples from the Corpus

word-perfect• Burton arrived at the first rehearsal word-perfect and with the part already sewn on him like a skin.• She was word-perfect in the part she had to play; knew she could perform without betraying her nervousness.

ˌword-ˈperfect adjectiveChineseSyllable  

every and say to something Corpus of word remember able

word-perfect
ˌword-ˈperfect adjective British English
able to remember and say every word of something correctly:
    She rehearsed her speech until she was word-perfect.

word-perfectBrE /ˌwɜːd ˈpɜːfɪkt/ 🔊NAmE /ˌwɜːrd ˈpɜːrfɪkt/ 🔊 (BrE) (NAmE ˌletter-ˈperfect) adjectiveable to remember and repeat sth exactly without making any mistakes 能背得一字不差的；能背得滚瓜烂熟的