dress up – v. to put on or wear formal clothing

conversational – adj. relating to or suggesting informal talk

collocation – n. use of certain words together

spouse – n. a husband or wife

hack – v. to secretly get access to the files on a computer or network in order to get information or cause damage

idiomatic – n. relating to expressions that cannot be understood from the meanings of its separate words but has a meaning of its own
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