to be trafficked over overseas to work as coolies [colloquial]

one who has more experience or seniority look down on juniors with arrogance

to betray

hawking

seller setting a higher selling price when one shows interest

to hold out for the highest offer; hoarding a commodity; having a high opinion of oneself, e.g. someone acting arrogantly to gain favors from suitors

to sell / promote something at a higher value than it is supposed to be; it describes people who become difficult / picky, or want more benefits, because they suddenly become more popular

sell

to show off in front of an expert, it means people who overestimate themselves

to order a takeway [colloquial]

to work hard for nothing

take away

big auction

big sale

sells very well; sells like hot cakes

specialize in

specialty store

kiosk

to be honest with oneself; to just trust someone to be honest and do the right thing even if others are not looking [colloquial]

to take advantage of one's relationship / connection with someone [colloquial]

people, usually the elderly, who bully or look down on others, because they think their old age gives them the right to do so

auction

an auction house [written and colloquial]

to set up a stall for sale

selling in parts or separately

speculation

'flipping', to buy and resell assets quickly to make profits

low price

siu mai

to be trafficked as labourers to work overseas as coolies; to be betrayed / tricked by someone; to be sold out by someone [colloquial]