toiling

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

doing arduous or unpleasant work (Freq. 1)
- drudging peasants
- the bent backs of laboring slaves picking cotton
- toiling coal miners in the black deeps
• Syn:
drudging, laboring, labouring
• Similar to:
busy

• Từ đồng nghĩa / Synonyms:
  drudging, laboring, labouring