gold / gold or metal currency: coins, such as 大判 (ōban) or 小判 (koban) / short for 黄金色 (kogane iro, “gold”, the color)

money / metal

one of the five classical elements in traditional Chinese philosophy and medicine: see the "Wu Xing" entry on Wikipedia

Jin dynasty (1115–1234)

-ism

having a comeback or excuse for everything one is told, being smart in the sense of having a smart mouth

hard to say, inexpressible, hesitant to say

Alternative form of 言うは易く行うは難し

to express well, to be articulate

(idiomatic) just as [someone] says