contribution /ˌkɑːntrɪˈbjuːʃn/ (noun) a gift or payment that is made to a person or an organization in order to help pay for something Example: A person's true value does not lie in his appearance, but in his achievements and contributions to the community.
worthwhile /ˌwɜːrθˈwaɪl/ (adjective) important, pleasant, interesting, etc.; worth spending time, money or effort on Example: It was in aid of a worthwhile cause(= a charity, etc.)
eloquent /ˈeləkwənt/ (adjective) able to use language and express your opinions well, especially when you are speaking in public Example: People would listen to them only because of their eloquent expressions.
awareness /əˈwernəs/ (noun) knowing something; knowing that something exists and is important Example: We should raise public awareness of environmental issues.
dynamite /ˈdaɪnəmaɪt/ (noun) a powerful explosive Example: Using dynamite for fishing is illegal.
mingle /ˈmɪŋɡl/ (verb) to combine or make one thing combine with another Example: The two flavours mingle well.
aim for /eɪm fɔːr/ (phrasal verb) Example: We are aiming for a 50 percent share of the German market.
walk of life /wɑːk ɒv laɪf/ (idiom.) Example: Members of the gym include lawyers, teachers, plumbers, and hairdressers - people from all walks of life.
redefine /ˌriːdɪˈfaɪn/ (verb) to change the nature or limits of something; to make people consider something in a new way Example: Social networking has redefined the meaning of "friend".
benefit from /ˈben.ɪ.fɪt frɑːm/ (phrasal verb) Example: I feel that I have benefited greatly from her wealth.
respective /rɪˈspektɪv/ (adjective) belonging or relating separately to each of the people or things already mentioned Example: Everyone has their own respective characteristics.
deal out /dɪəl aʊt/ (phrasal verb) to share something out among a group of people Example: Many judges deal out harsher sentences to men than to women.
eventful /ɪˈventfl/ (adjective) full of things that happen, especially exciting, important or dangerous things Example: Her time at college was the most eventful period of her life.
symbolize /ˈsɪmbəlaɪz/ (verb) to be a symbol of something Example: The lighting of the Olympic torch symbolizes peace and friendship among the nations of the world.
insurmountable /ˌɪnsərˈmaʊntəbl/ (adjective) that cannot be dealt with successfully Example: I'm faced with an insurmountable situation.
foresee /fɔːrˈsiː/ (verb) to think something is going to happen in the future; to know about something before it happens Example: I will foresee your future life.
destructive /dɪˈstrʌktɪv/ (adjective) causing destruction or damage Example: the destructive power of nuclear weapons
mankind /mænˈkaɪnd/ (noun) all humans, thought about as one large group; the human race Example: Mankind has always been obsessed by power.
legacy /ˈleɡəsi/ (noun) money or property that is given to you by somebody when they die Example: They each received a legacy of $5000.
illuminated /ɪˈluːmɪneɪtɪd/ (adjective) lit with bright lights Example: You can see the illuminated city at night.