sleepy是sleep 的形容词形态,作表语,意为“瞌睡的、困倦的”;作前置定语,意为“寂静的”;asleep是形容词,是表语形容词,只能做表语,意思是：睡着的。sleeping是形容词,意思是：睡着的,不一定用做标语,可以用做定语,另外它还是个动名词。
sleep n. / v. 睡觉,睡眠sleepy a. 困的，想睡觉的sleeping a.正在睡觉的asleep a.睡着的，睡熟的sleep 做动词或名词：sleep a sound sleep睡得极甜sleep睡眠violate sleep妨碍睡眠sleep double(二人)合睡一铺sleep disorders睡眠障碍sleep disorder睡眠障碍orthodox sleep【医】无梦睡眠frozen sleep【医】冷眠疗法;超低体温fox&39;s sleep假睡;假装的electric sleep电麻醉做形容词：fall asleep入睡sound asleep.酣睡pretend to be asleep假装睡觉fast asleep.睡得很熟fall asleep over one&39;s work工作时睡着了charm sb.asleep(用魔法)对某人施催眠术The sea is asleep.海上风平浪静。The baby fell asleep.那孩子睡着了。Soon they fell asleep.他们很快就睡着了。My leg is asleep.我的腿麻木了做形容词：sleepy.想睡的a sleepy village寂静的村庄an overripe sleepy pear过熟而开始腐烂的梨a sleepy little village静寂无生气的小村a sleepy rural town.安静的乡间城镇I was deadly sleepy.我困极了。I feel very sleepy.我觉得很困。I am still sleepy.我还想睡。The condition of being sleepy.处于困倦的状态I felt sleepy all day.
