Attenuate, Attenuated, Beanpole, Skinny
as timid as a rabbit
Afraid, Ambivalent, Apprehensive, Shy
as tough as old boots
Brawny, Cohesive, Dense, Durable, Hard
as wise as Solomon
Clever, Careful, Astute
as busy as a bee
Active, Efficient, hardworking, brisk
Throws like a girl
Synonyms: hurl, loft, toss
Pounding like a drum
Synonyms: beat, move, sound, resound
Welcome as a skunk at a lawn party
Synonyms: accepted, wanted, invited, desirable, pleasing
Happy as pigs in mud
From David Eddings
Soar like an Eagle
Synonyms: fly, ascend, glide, rise, wing
work like a dog
Synonyms: buckle down, dig, drive, drudge, hustle, labor, pursue, slave, slog, strain, strive, try
Sings like an Angel
Synonyms: choir, croon, harmonize, mouth, serenade, vocalize
drink like a fish
Synonyms: ingest, consume, down
as wise as an owl
Synonyms: astute, aware, calculating, clever, educated, enlightened, experienced, foresighted, informed, insightful, intuitive, keen, knowing, knowledgeable, perceptive, rational, reflective, scholarly, sensible, sharp, smart, understanding, witty
as white as snow
Synonyms: blanched, bleached, chalky, fair, milky, pasty