at length; be pains taking in giving details; dwell at length upon; go gladly into particulars; go into minute details; in detail; spare no details
❍ 于是打开话匣子似的，把晚和死后的一些情形，～地和连雪梅畅谈一番。(李六如《六十年的变迁》Ⅰ—36) That was why words then began to stream from her as she told Lian Xuemei in detail all the things she’d gone through since her husband’s death.
不厌其详bù yàn qí xiánɡ
不嫌恶它的详尽，愈详细愈好。dwell at great length, spare no details, go gladly into particulars, go into minute details