桥: bridge...
甲: first of the ten Heavenly Stems, (used for an unspecified person or thing), first (in a list, as a party to a contract etc), letter "A" or roman "I" in list "A, B, C", or "I, II, III" etc, armor pl...
书店: bookstore...
法庭: court of law...
胡子: beard, mustache or whiskers, facial hair, (coll.) bandit...
消沉: depressed, bad mood, low spirit...
顽皮: naughty...
记号: mark, symbol, notation, seal...
沉淀: to settle, to precipitate (solid sediment out of a solution)...