cause, origin / basis, foundation / cost / (finance) capital / principal

地溝: graben / 地窖: hole dug in the ground, cellar / 治効: treatment efficacy / 知巧, 智巧: ingenuity / 知行: knowledge and action / 恥垢: smegma / 遅効: delayed effect

知行: a male given name

抗日: anti-Japanese

七七日: the forty-ninth day after a person dies; the Buddhist memorial service that occurs forty-nine days after a person dies

乳: milk; breast; latex (milky substance in plants) / 父: one's own father; a father figure; the Christian God / 致知: the pursuit of knowledge; / 遅遅, 遅々: slowness, tardiness; a long day

遅遅, 遅々: to be late

乳, 父: a surname / 父子: a place name

日日: day by day

日日: every day, daily