col·labo·rate [kəˈlæbəreɪt] 动词 不及物动词
1. collaborate (work together):
-  to collaborate [with sb]
 -  [mit jdm] zusammenarbeiten
 
2. collaborate 贬 (aid enemy):
-  to collaborate with sb
 -  mit jdm kollaborieren
 
 
 | I | collaborate | 
|---|---|
| you | collaborate | 
| he/she/it | collaborates | 
| we | collaborate | 
| you | collaborate | 
| they | collaborate | 
| I | collaborated | 
|---|---|
| you | collaborated | 
| he/she/it | collaborated | 
| we | collaborated | 
| you | collaborated | 
| they | collaborated | 
| I | have | collaborated | 
|---|---|---|
| you | have | collaborated | 
| he/she/it | has | collaborated | 
| we | have | collaborated | 
| you | have | collaborated | 
| they | have | collaborated | 
| I | had | collaborated | 
|---|---|---|
| you | had | collaborated | 
| he/she/it | had | collaborated | 
| we | had | collaborated | 
| you | had | collaborated | 
| they | had | collaborated |