| 蹭 | [ cèng  ]    to rub against, to walk slowly, (coll.) to freeload | 
| 蹭吃 | [ cèng chī  ]    to freeload for food | 
| 蹭吃蹭喝 | [ cèng chī cèng hē  ]    to cadge a meal | 
| 蹭熱度 | [ cèng rè dù  ]    (coll.) (often derog.) to piggyback on (sb's) popularity, to exploit (sb's) popularity to attract attention to oneself | 
| 蹭網 | [ cèng wǎng  ]    (coll.) to use sb else's Internet connection (with or without permission) | 
| 蹭課 | [ cèng kè  ]    (coll.) to sit in on a class | 
| 蹭蹬 | [ cèng dèng  ]    to have bad luck, dammit! | 
| 蹭車 | [ cèng chē  ]    (coll.) to ride in sb else's car to save money, to ride on a train or bus without buying a ticket (fare-dodging) | 
| ⇒ 刮蹭 | [ guā cèng  ]    to scrape one's car against sth, to sideswipe | 
| ⇒ 磨磨蹭蹭 | [ mó mó cèng cèng  ]    to dillydally, slow-going | 
| ⇒ 磨磨蹭蹭 | [ mó mó cèng cèng  ]    to dillydally, slow-going | 
| ⇒ 磨蹭 | [ mó ceng  ]    to rub lightly, to move slowly, to dawdle, to dillydally, to pester, to nag | 
| ⇒ 蹭吃蹭喝 | [ cèng chī cèng hē  ]    to cadge a meal |