美 
											['duːti]
																
										
							what one must do either because of one's job or because one thinks it right; moral obligation
tax
																																	"we must instill a sense of duty in our children"
																							"every right implies a responsibility; every opportunity, an obligation; every possession, a duty"
																															
																																	"the duties of the job"
																															
																																	"they signed a treaty to lower duties on trade between their countries"
																															
Take that which is thy duty.
出自:Bible (Tyndale): Matthew
If A. be accountable to B. and B. releaseth him all his duties.
出自: E. Coke