偸安: to snatch a moment of rest

等質:

忍者刀: ninja sword, ninjatō.

当用: current use / 登用: one's position, one's job assignment / 盗用: unauthorized use, plagiarism / 東洋: the Orient, the East

盗用: to use without permission, to plagiarize / 登用: to post (someone) to an office or station

(Hachijō) father

be accustomed to reading

A reading of a kanji that is commonly accepted, but originally based on a corrupted reading.

(linguistics) a reading pattern for kanji-compound words, using the Chinese-derived on'yomi for the first portion, and the native Japanese kun'yomi for the second portion

(idiomatic) manipulate figures to one's advantage, especially one's own age, height, or weight