一字不差的（形容词）

(adjective) Exactly correct in every detail; impeccably accurate. (NOTE: often used in reference to written materials)

EXAMPLE: The written transcript of the famous speaker's speech must be letter-perfect so readers will understand his exact words.

这位著名演说家的讲话誉写稿必须一字不差，以便读者精确地了解他的用词。

to open a can of worms

面对大量麻烦

To unleash numerous complicated problems and possibly to reveal previously unknown difficulties.

EXAMPLE: I was reluctant to discuss my friend's recent divorce because I didn't want to open a can of worms.

我不愿意讨论我朋友不久前的离婚事件，因为不想面对太多麻烦事。