n. 痛, 痛苦, 可怜

Painful \Pain"ful\, a.
1. Full of pain; causing uneasiness or distress, either
physical or mental; afflictive; disquieting; distressing.
--Addison.

2. Requiring labor or toil; difficult; executed with
laborious effort; as a painful service; a painful march.

3. Painstaking; careful; industrious. [Obs.] --Fuller.

A very painful person, and a great clerk. --Jer.
Taylor.

Nor must the painful husbandman be tired. --Dryden.

Syn: Disquieting; troublesome; afflictive; distressing;
grievous; laborious; toilsome; difficult; arduous.
※ -- {Pain"ful*ly}, adv. --
{Pain"ful*ness}, n.

painfulness \pain"ful*ness\ n.
Emotional distress; a fundamental feeling that people try to
avoid.

Syn: pain.
[WordNet 1.5]