never say much about sth; not elaborate;not speak in detail ❍ 至于和徐世昌的来往进展，师傅们一概～。(爱新觉罗·溥仪《我的前半生》113) Although my tutors never said much about the negotiations that were going on between the palace and the president，…
语焉不详yǔ yān bù xiánɡ
说得不详细。not elaborate, not speak in detail, make only a bare of mention sth.