n.
    
      - (青)草;牧草[U][C]![]() 
- 草地;草坪;牧地[U]![]() They are sitting on the  grass. 他們坐在草地上。 
- 【植】禾本科植物[P1][U]
- 【俚】大麻[U]
vt.
    
      - 【美】使吃草,放牧
- 使長滿草;在……上種草[(+over)]
vi.
    
      - 長草
 
  片語
  
    as green as grass
    
      - 幼稚的![]() When she left school and started her first job, she was  as green as grass. 她走出校門剛開始工作時非常幼稚。 
let the grass grow under one's feet
    
      - 浪費時間![]() I want this work done quickly, so don't  let the grass grow under your feet! 趕緊辦完這件事,別浪費時間了! 
put/turn out to grass
    
      - 解僱![]() My uncle's been  put out to grass and now has nothing to do all day. 我叔叔被解僱了,現在整天無所事事。 
 
  辨析
  
 
  n.
    - vegetation consisting of short plants with long narrow leaves, growing wild or cultivated on lawns and pasture. ▸ground covered with grass. 
- a plant with jointed stems and spikes of small wind-pollinated flowers, predominant in such vegetation. 
[Family Gramineae: many species.]
- informal cannabis.
- Brit. informal a police informer.
v.
    - cover with grass.
- 
(often grass on)
 Brit. informal inform the police of criminal activity or plans.
- land (a fish).
- chiefly Rugby  & Australian Rules  knock down.
Phrase
  
  Derivative
  
    - grassless adj.
- grass-like adj.
 
  Etymology
  OE græs, of Gmc origin; ult. rel. to green and grow. The sense ‘police informer’ is perh. rel. to C19 rhyming sl. grasshopper ‘copper’.