成语“夏日可畏”语见《左传·文公七年》:“齐舒问于贾季曰:‘赵衰、赵盾孰贤?’对曰:‘赵衰,冬日之日也;赵盾,夏日。’”晋·杜预注:“冬日可爱,夏日可畏。”成语大意是说,夏天的太阳很可怕。比喻人的作风严厉可畏,不易亲近。形容人的严厉与狠毒。夏天的太阳,烈日当空,确实酷暑难忍。尤其是修路工人和在田间劳动的农民体会 Idioms “summer terrible ” language see “Zuo Wen Gong seven years”: “Qishu asked Jia Ji said: ’Zhao decline, Zhao shield who Yin?’ Said: ’Zhao decline, the day of winter Also; Zhao shield, summer. ’ ”Jin Du pre note: “ winter cute, summer awesome. ”Idiom to the effect that the summer sun is terrible. Metaphor man’s style is harsh, not easy to approach. Describe the harsh and vicious people. Summer sun, the sun is empty, really unbearable heat. Especially road construction workers and peasants who work in the fields