doubtful
answer
arm
asking
astonished
boy
business
businessman
businessperson
casual
caucasian
concept
confused
confusion
difficult
displeased
doubt
emotion
emotional
expression
face
gesture
guy
hand
help
human
idea
look
male
men
negative
palm
people
person
portrait
problem
puzzled
question
serious
shock
sign
student
stunned
surprise
trouble
uncertain
unexpected
unsure
wonder
worried