rope            thick strong cord made by twisting

　　savant          person of great learning

　　savor           taste， flavour smth

　　sawdust         tiny bits of wood

　　scabbard        sheath for the blade

　　scent           smell （esp pleasant）

　　scurvy          diseased state of the blood caused by eating too much salt

　　seal            piece of wax， lead， etc stamped on the document

　　sedulous        persevering

　　sequence        succession， connected line of

　　serration       having a toothed edge

　　servile         like a slave， lacking independence

　　shaft           arrow or spear， smth long and narrow

　　shallow         little depth； not earnest

　　shard           piece of broken earthenware

　　sheath          cover for the blade of a weapon or a tool

　　shove           push

　　shrill          sparp， piercing

　　shun            keep away from； avoid

　　shunt           send from one track to another； lay aside； evade discussion

　　sidestep        step to one side

　　skiff           small boat

　　skit            short piece of humorous writing

　　slate           king of blue-grey stone； propose； critisize

　　sluggard        lazy， slow-moving person

　　sluggish        inactive， slow-moving

　　soar            rise， fly high

　　sober           self-controlled

　　sobriety        quality or condition of being sober

　　soggy           heavy with water

　　solvent         of the power of forming a solution

　　somatic         of the body

　　soot            black powder in smoke

　　sophisticated   complex， subtle， refined

　　sordid          wretched， comfortless， contemptible

　　spear           weapon with a metal point on a long shaft

　　specious        seeming right or true but not really so

　　squalid         dirty， mean

　　squander        spend wastefully

　　steeply         rising or falling sharply

　　stickler        person who insists on importance of smth

　　stigma          mark ofor disgrace

　　sting           smth sharp