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NEW WORDS AND EXPRESSIONS UNIT 15 Voluntary work is done by people who are not paid for it, but who do it because they want to do it. In her spare time she does voluntary work. He39。d been working at the local hostel for the handicapped on a voluntary basis. A voluntary worker is someone who does work without being paid for it, because they want to do it. If you acknowledge a fact or a situation, you accept or admit that it is true or that it exists. (FORMAL) Naylor acknowledged, in a letter to the judge, that he was a drug addict. Belatedly, the government has acknowledged the problem. There is an acknowledged risk of lung cancer from radon. If someone39。s achievements, status, or qualities are acknowledged, they are known about and recognized by a lot of people, or by a particular group of people. He is also acknowledged as an excellent goalkeeper. Some of the clergy refused to acknowledge the new king39。s legitimacy. If you acknowledge a message or letter, you write to the person who sent it in order to say that you have received it. The army sent me a postcard acknowledging my request. If you acknowledge someone39。s applause, pliments, or kindness you make a gesture in order to thank them or show your appreciation. She never even acknowledged the man who opened the door for her. He acknowledged the applause with a small bow. A scheme is a plan or arrangement involving many people which is made by a government or other anization. (mainly BRIT。 in AM use program) There are schemes to help fight unemployment. The pany was pouring around $30 million into the scheme. A scheme is someone39。s plan for achieving something. ...a quick moneymaking scheme to get us through the summer... They would first have to work out some scheme for getting the treasure out. Tourists can be vulnerable to scams and con schemes of all kinds. If you are breathless, you have difficulty in breathing properly, for example