shower 阵雨,阵雨般的东西 be caught in a hard ~
shrewd 机灵的,敏锐的,精明的 a ~ guess
signify 表示,表明,预示 ~ consent with a nod
simulate 假装,冒充 use tricks to ~ illness
sit 坐,就坐 He was sitting over his coffee with a cigar
sketch 素描,速写 make a ~ of a face in pencil
slack 不紧的,不严的 a ~ soft rope
slender 苗条的,修长的,细长的She is ~ and has long dark hair
slide 滑行,滑动,滑落 The drawers of my desk ~ in and out easily
slim苗条的,薄的 Regular exercise will make you slimmer
slip 滑倒,滑落,滑行 She ~ed on the wet stones and fell
slit 切开,撕开 ~ the envelope open
slope 倾斜,有坡度 The ground ~s down sharply at this point
sly 狡猾的,偷偷的 a ~answer
smart 聪明的,精明的 Smart students talk earlier than the average
smash 打碎,打破,摧毁 The ball ~ed the window