“不必提及”常见的英文表达有 “need not mention”、“there's no need to mention” 或 “don't have to bring up” 等，具体使用可根据语境灵活选择：
“need not mention”：较为正式、书面，强调没有必要做提及这个动作。例如：You need not mention his past mistakes in front of everyone.（你不必在所有人面前提及他过去的错误。）
“there's no need to mention”：语气稍显温和、随意，同样表达没有做提及这件事的必要。例如：There's no need to mention the details; we all know the general situation.（没必要提及细节，我们都知道大致情况。）
“don't have to bring up”：更口语化、随意一些，“bring up”有“提出、提及”的意思。例如：We don't have to bring up that awkward topic at the party.（我们在聚会上不必提起那个尴尬的话题。 ）