It is amazing how learning new ideas and skills, and meeting new people, can boost self-confidence and motivation.

学习新的知识和技能，认识新的朋友，这是一件多么美妙的事，同时还能增强你的自信心和工作积极性。

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Confidence can make or break your career. Luckily for those lacking it, self-belief is easy to boost.

信心能影响你事业的成败。幸运的是，对缺乏自信的人来说，信心是很容易提升的。

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To build confidence you have to learn how to work on yourself, such as pick up new hobbies and interests that boost your self esteem.

培养自信，你必须学习如何打造自己，比如培养能提高自信心的新爱好。

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The Minister for Sport Rhodri Glyn Thomas described the triumph as a "tremendous result for Wales" and said it would be a "real boost to our national self-confidence".

BBC: Welsh joy over Grand Slam victory

He said the Olympics had been a "massive self-confidence boost" about "who we are as a country and what we stand for".

BBC: Olympic Games: Lord Coe made legacy ambassador

While the study focused solely on how the amount of time spent in front of the TV affects a child's self-esteem, the programs likely are what give white boys a confidence boost, said Amy Jordan, director of the Media and the Developing Child sector of the Annenberg Public Policy Center of the University of Pennsylvania.

CNN: TV can boost self-esteem of white boys, study says