Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
viral – adj. spreading very quickly to many people through the Internet
mask – n. a covering for your face or part of your face, sometimes used to disguise your face
disguise – n. clothes or other things that you wear so that people will not recognize you
inmate – n. a person who is kept in a prison: a prisoner
gang – n. a group of criminals
