boost       
 verb [ T ] uk/buːst/ us/buːst/
B2 改善;提高;增强;推动
to improve or increase something
  The theatre managed to boost its audiences by cutting ticket prices. 剧院设法通过降低票价来增加观众数量。 
 Share prices were boosted by reports of the president's recovery. 总统康复的报道推动股票价格上扬。 
 I tried to boost his ego (= make him feel more confident) by praising his cooking. 我赞扬他的厨艺,试图以此增强他的自信心。 
 - More examples
 - The magazine misreported its sales figures in order to boost advertising revenue.
 - The boss gave the staff a pep talk this morning in an attempt to boost sales.
 - The compliments she received after the presentation boosted her self-esteem.
 - The successful branding and marketing of the new beer has already boosted sales and increased profits.
 - More money is needed to boost the industry.
 
boost       
noun [ C usually singular ] uk/buːst/ us/buːst/
B2 改善;提高;增强;推动
the act of boosting something
  The lowering of interest rates will give a much-needed boost to the economy. 利率的下调将会给经济注入急需的推动力。 
 Passing my driving test was such a boost to my confidence. 通过了驾照考试使我自信心大增。 
 - More examples
 - An immediate interest cut might give a small boost to the economy. Even so, any recovery is likely to be very slow.
 - The publicity generated by the court case has given a welcome boost to our sales.
 - The change in the exchange rate provided a timely boost to the company's falling profits.
 - The city will get a real boost if its Olympic bid is successful.
 - Vitamin supplements can give your immune system a boost.