Verb > Eavesdrop

(no object) to listen secretly to what other people are saying – usually + on He was eavesdropping (=listening in) on his sister and her friends in the next room. She was accused of eavesdropping on private telephone conversations. – Read More …

Noun > Mastermind

Noun > Mastermind (count) a person who plans and organizes something He is considered (to be) the mastermind of the team’s winning strategy. a criminal mastermind the mastermind behind the terrorist plot

Noun > Obstacle

Noun > Obstacle (count) 1 : something that makes it difficult to do something He overcame the obstacles of poverty and neglect. They must overcome a number of obstacles before the restaurant can be opened. Lack of experience is a Read More …

Noun > Seminar

Noun > Seminar (count) 1 : a meeting in which you receive information on and training in a particular subject a writing seminar a seminar on career planning educational/investment seminars 2 : a class offered to a small group of Read More …