短语
中文翻译：一剂强心针
同义词：
['a boost', 'a kick in the pants']
例句：
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1. After his performance, he received a shot in the arm from the boss.
在他表演之后，老板给了他一剂鼓励。
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2. The new policy is like a shot in the arm for the struggling company.
新政策对挣扎中的公司来说就像一剂强心针。
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3. Her success was a shot in the arm to her dream of becoming an artist.
她的成功为她成为艺术家的梦想注入了一剂强心针。