1.   But measurement of alpha particles was only a part of the exquisitely subtle analytical technique the GSI team developed.

2.   Her portrait of this besieged nominee is an exquisitely subtle study of a strong, highly principled woman pushed to the breaking point.

3.   I would say, however, that at such times people do pray and make exquisitely subtle delineations between action and inaction, good and evil.

4.   It sounds like the whole system is hinged together in an exquisitely subtle way.