http://www.pons.de/produkte/3-12-517841-X/(牛津大学出版社授权产品)
 
  
 I. knock off 动词 [美 nɑk -, 英 nɒk -] (v + adv, v + prep + o)
II. knock off 动词 [美 nɑk -, 英 nɒk -] (v + o + adv, v + adv + o) (stop)
III. knock off 动词 [美 nɑk -, 英 nɒk -] (v + o + adv, v + adv + o, v + o + prep + o) (deduct, eliminate)
IV. knock off 动词 [美 nɑk -, 英 nɒk -] (v + o + adv, v + adv + o)
1. knock off (do quickly, easily) 俗:
4. knock off (have sex with) 英:
5. knock off (make illegal copy of):
在《PONS词典》中的词汇
 
  
 I. knock off 动词 trans
1. knock off (cause to fall off):
5. knock off (produce easily):
 
  
 I. knock off 动词 trans
1. knock off (cause to fall off):
5. knock off (produce easily):
| I | knock off | 
|---|---|
| you | knock off | 
| he/she/it | knocks off | 
| we | knock off | 
| you | knock off | 
| they | knock off | 
| I | knocked off | 
|---|---|
| you | knocked off | 
| he/she/it | knocked off | 
| we | knocked off | 
| you | knocked off | 
| they | knocked off | 
| I | have | knocked off | 
|---|---|---|
| you | have | knocked off | 
| he/she/it | has | knocked off | 
| we | have | knocked off | 
| you | have | knocked off | 
| they | have | knocked off | 
| I | had | knocked off | 
|---|---|---|
| you | had | knocked off | 
| he/she/it | had | knocked off | 
| we | had | knocked off | 
| you | had | knocked off | 
| they | had | knocked off | 
 
  
 