灯泡: light bulb, see also...
分寸: propriety, appropriate behavior, proper speech or action, within the norms...
档案: file, record, archive...
姑姑: paternal aunt...
合乎: to accord with, conforming to...
无法: unable, incapable...
来龙去脉: the rise and fall of the terrain (idiom), the whole sequence of events, causes and effects...
仙鹤: red-crowned crane (Grus japonensis)...
话题: subject (of a talk or conversation), topic...
自始至终: from start to finish (idiom)...
