1.   Her unshakable belief in a blissful afterlife allowed her to meet her quietus without the slightest tinge of fear or regret.

2.   Flirtation became suspect, as did remarks with even the slightest tinge of sexual innuendo.

3.   His collection on Sunday captured the essence of glamour without the slightest tinge of campiness.

4.   Is there the slightest tinge of a racial element there?