特殊

This flower gives forth a distinctive smell.

We could not find the specific cause of the disease.

from the particular to the universal

specific laws of war

particular demands of a job

special problem

exclusive right; privilege; prerogative

exceptional case; exceptional/special circumstances

particular/special friend

special/particular purpose

distinctive/unique style

special material/property

have unusual symptoms

enjoy privileges; receive special/preferential treatment

for no particular reason

give special care/attention/treatment (to sb/sth)

undertake a special task/mission

show/demonstrate/display exceptional ability