something empty / ineffectual / false

by heart, from memory, by rote

empty; vain; sky

得る, 獲る: to get, to acquire, to gain, to obtain, to win, to catch / 選る, 撰る, 択る: to choose, to select / 彫る, 雕る, 鐫る: to carve, to engrave; to inlay; to drill, to make a hole

有り得ない: impossible

穢多: (historical, offensive) the lowest group in Japan’s caste system during the Edo period

past tense of える (eru) [ichidan]

ahem (clearing of the throat) / hmph! (triumphant)

使役: (linguistics) causative form / 私益: (finance) private interest

"to obtain a lack of events": to accomplish something without incidents