In reality, most English learners aspire to converse fluently, emulating the native speakers. To realize this aim, idioms have emerged as a crucial linguistic element that learners cannot disregard, given their extensive usage by natives in conversations. Proficiently integrating idiomatic expressions can significantly enhance learners’ speaking prowess. This piece presents several prevalent idioms in English, serving as a guide for English students to comprehend their usage across various contexts. The idioms in this article are all related to diet.