char  
 verb uk/tʃɑːr/ us/tʃɑːr/ -rr-
  (BURN)      
  [ I or T ](把…)烧焦,烧黑 
to burn and become black or to burn something so that it becomes black
  Grill the peppers until the skin starts to char. 把辣椒烤到表皮发焦为止。 
   (CLEAN)     
 [ I ] UK old-fashioned(在家庭或办公室)当清洁工 
to clean and tidy a house or office for payment
 char      
noun [ C ] UK old-fashioned informal uk/tʃɑːr/ us/tʃɑːr/
 (打扫办公室或私人住宅的)女清洁工,打杂女工(同 charwoman)
→  charwoman UK old-fashioned