(dated) Shipping terminology to indicate that a package must not be flipped: this way up, this side up

無用: useless, needless

無用: uselessness, needlessness

useless / unnecessary; needless / prohibited, no (...ing)

(there is) no use in arguing; dialogue is useless

uselessness / needlessness / being prohibited

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