deft
adept
skillful
experienced
stunt
craft
facility
familiarize
accomplished
第二组:素质
APtitude
vigor
caliber
quality
temperament
stamina
talent
confidence
disposition
mass
ability
versatile
power
第三组:贪婪
avid
ravenous
rapacious
greedy
covetous
avarice
avaricious
acquisitive
第四组:严酷
exacting
ascetic
grim
relentless
ruthless
rigid
stern
stringent
scrupulous
drastic
harsh
rigor
rigorous
serious
severe
austerity
ordeal
第五组:勇敢
bold
daring
undaunted
dauntless
valiant
gallant
intrepid
valor
第六组:自私
flighty
skimpy
stingy
miserly
snobbish
selfish