crepuscular	not bright; evening
bristle	short stiff hair
warts and all	includes all the bad qualities along with the good
fleeting glimpse	short glimpse
edge up	change for better
vigilant	watchful
etched in stone	to draw by cutting or scraping
chink in armour	weak point
slant eyed	chinese (eyes feature)
circumspection	prudence
adjacent	close to
pertain to	relate
evidence that pertains to the accident	evidence that is relevant to the accident
morbid	pathological
unwholesome pallor	unhealthy paleness
hubbub	loud confusing noise
undulate	move wavelike
the exams were looming large on the horizon	the exams were of great importance
athwart	across
scaffold	framework providing support`