資料來源 : pyDict
值日,值勤,值班
資料來源 : Webster's Revised Unabridged Dictionary (1913)
2. That which a person is bound by moral obligation to do, or
refrain from doing; that which one ought to do; service
morally obligatory.
Forgetting his duty toward God, his sovereign lord,
and his country. --Hallam.
3. Hence, any assigned service or business; as, the duties of
a policeman, or a soldier; to be on duty.
With records sweet of duties done. --Keble.
To employ him on the hardest and most imperative
duty. --Hallam.
Duty is a graver term than obligation. A duty hardly
exists to do trivial things; but there may be an
obligation to do them. --C. J. Smith.
4. Specifically, obedience or submission due to parents and
superiors. --Shak.
5. Respect; reverence; regard; act of respect; homage. ``My
duty to you.'' --Shak.
6. (Engin.) The efficiency of an engine, especially a steam
pumping engine, as measured by work done by a certain
quantity of fuel; usually, the number of pounds of water
lifted one foot by one bushel of coal (94 lbs. old
standard), or by 1 cwt. (112 lbs., England, or 100 lbs.,
United States).
7. (Com.) Tax, toll, impost, or customs; excise; any sum of
money required by government to be paid on the
importation, exportation, or consumption of goods.
Note: An impost on land or other real estate, and on the
stock of farmers, is not called a duty, but a direct
tax. [U.S.]
{Ad valorem duty}, a duty which is graded according to the
cost, or market value, of the article taxed. See {Ad
valorem}.
{Specific duty}, a duty of a specific sum assessed on an
article without reference to its value or market.
{On duty}, actually engaged in the performance of one's
assigned task.
資料來源 : WordNet®
on duty
adj : performing or scheduled for duties; "I'm on from five to
midnight"; "Naval personnel on duty in Alaska"; "her
on-duty hours were 11p.m. to 7 a.m." [syn: {on(p)}, {on
duty(p)}, {on-duty(a)}]