The more classic these two words are, the deeper the better, for example, black, dark, yellow and lonely.

Rough swarming, needle extinction, tracing to the source, looking forward to indulging in killing, colic, smog repair, favoring counterfeit products and venting.

Snacks, greeting, sitting in town, compiling, observing the rules and regulations of crouching latitude and longitude, paying attention to complaints and nostalgia.

Chaos, hooding, deception, appropriate nightmares, disobedience, ignorance, dryness, wisdom, couplets, melodramatic abuse and profundity.

On leisure, preference, competition, recruitment, frustration, feedback, soaring and happiness

Take it from the decadent Tang Dynasty, comfort the frontier hut, provide enough food for the overnight hub, neglect impeachment, deter ignorance, have mottled eyes and be obscure and delicate.