n.
怀敌意的或恶毒的行为, 衰落

[ noun ]
an act intended to help that turns out badly
<noun.act>
he did them a disservice

Ill \Ill\ ([i^]l), a. [The regular comparative and superlative
are wanting, their places being supplied by worseand worst,
from another root.] [OE. ill, ille, Icel. illr; akin to Sw.
illa, adv., Dan. ilde, adv.]
1. Contrary to good, in a physical sense; contrary or opposed
to advantage, happiness, etc.; bad; evil; unfortunate;
disagreeable; unfavorable.

Neither is it ill air only that maketh an ill seat,
but ill ways, ill markets, and ill neighbors.
--Bacon.

There 's some ill planet reigns. --Shak.

2. Contrary to good, in a moral sense; evil; wicked; wrong;
iniquitious; naughtly; bad; improper.

Of his own body he was ill, and gave
The clergy ill example. --Shak.

3. Sick; indisposed; unwell; diseased; disordered; as, ill of
a fever.

I am in health, I breathe, and see thee ill. --Shak.

4. Not according with rule, fitness, or propriety; incorrect;
rude; unpolished; inelegant.

That 's an ill phrase. --Shak.

{Ill at ease}, uneasy; uncomfortable; anxious. ``I am very
ill at ease.'' --Shak.

{Ill blood}, enmity; resentment; bad blood.

{Ill breeding}, lack of good breeding; rudeness.

{Ill fame}, ill or bad repute; as, a house of ill fame, a
house where lewd persons meet for illicit intercourse.

{Ill humor}, a disagreeable mood; bad temper.

{Ill nature}, bad disposition or temperament; sullenness;
esp., a disposition to cause unhappiness to others.

{Ill temper}, anger; moroseness; crossness.

{Ill turn}.
(a) An unkind act.
(b) A slight attack of illness. [Colloq. U.S.] -- {Ill
will}, unkindness; enmity; malevolence.

Syn: Bad; evil; wrong; wicked; sick; unwell.