apartment /əˈpɑːrtmənt/ (noun) a set of rooms for living in, usually on one floor of a building Example: We are living in a big apartment in the city centre.
enthusiasm /ɪnˈθuːziæzəm/ (noun) a strong feeling of excitement and interest in something and a desire to become involved in it Example: Many employees expressed enthusiasm about the current leaders.
loyalty /ˈlɔɪəlti/ (noun) the quality of being constant in your support of somebody/something Example: They swore their loyalty to the king.
acquaintance /əˈkweɪntəns/ (noun) a person that you know but who is not a close friend Example: She's my old acquaintance.
brighten up /´braitn ʌp/ (verb) Example: I will be there to brighten up even your darkest night.
constancy /ˈkɑːnstənsi/ (noun) the quality of staying the same and not changing Example: Constancy is one of the most valuable qualities of a true friendship.
give-and-take /'give ænd 'teik/ (n. .) Example: Friendship must be give-and-take.
residential area /,rezi'denʃəl 'eəriə/ (noun) Example: I'm renting a small flat in the Nguyen Cong Tru Residential area in Hanoi.
two-sided /'tu (adjective) Example: Did Robert say he wanted to be the manager? He told me he did not. He's so two-sided.
unselfishness /ʌnˈselfɪʃnəs/ (noun) the quality of giving more time or importance to other people's needs, wishes, etc. than to your own Example: A true friendship is based on unselfishness and equality.