Adjective:

1. darkened with overcast;

   "a dark day"
   "a dull sky"
   "the sky was leaden and thick"
   

2. made heavy or weighted down with weariness;

   "his leaden arms"
   "weighted eyelids"
   

3. made of lead;

   "a leaden weight"
   

4. (of movement) slow and laborious;

   "leaden steps"
   

5. lacking lightness or liveliness;

   "heavy humor"
   "a leaden conversation"
   

vegetablen.蔬菜；植物；植物人adj.蔬菜的；植物的

heavyadj.大(量)的；重的；沉重的；猛烈的

greyadj.灰色的n.灰色vi.变成灰色=<美>gray

grayadj.灰色的；暗淡的n.灰色；暗淡v.变灰色；使 ... 变灰色Grayn.格雷(男子名)

steelyadj.钢铁一般的；蓝灰色的

ashenadj.灰色的；苍白的adj.白蜡树的

ponderousadj.笨重的；笨拙的；乏味的

weightyadj.重要的；沉重的；有力的

sluggishadj.缓慢的；懒惰的；迟钝的；萧条的；无精打采的

labouredadj.(呼吸)缓慢困难的；不自然的；矫揉做作的动词labour的过去式和过去分词.=labored(美).

laboredadj.(动作、呼吸等)困难的；吃力的动词labor的过去式和过去分词形式.

slowadj.慢的adv.慢慢地v.放慢；减速

draggingadj.拖曳用的；拖延的动词drag的现在分词.

lifelessadj.无生命的；无趣味的；死气沉沉的

drearyadj.沉闷的；令人沮丧的；情绪低落的

flatadj.平坦的；扁平的；单调的；断然的；[音乐]降音的；气不足的adv.平直地；直截了当；低于标准音高地n.<英>公寓；平面部分；[音乐]降半音；泄气轮胎v.变平；降调；住公寓

monotonousadj.单调的

weightedadj.加重的；加权的动词weight的过去式和过去分词.

ploddingadj.沉重缓慢的；单调乏味的n.沉重缓慢的脚步；沉闷的苦干动词plod的现在分词.

dulladj.呆滞的；钝的；迟钝的；无趣的；暗的v.变钝；迟钝

1. On leaden feet he made his way down the stairs.
   他拖着沉重的双腿走下楼去。
2. He left there with a leaden heart one hour ago.
   一个小时前，他怀着沉重的心情离开了那儿。
3. Suddenly,a leaden object jumped into his eyes.
   突然，一个深灰色的物体映入眼帘。