| 释义 |
●a shot in the ˈarm (informal) a thing or an action that gives sb/sth new energy, help or encouragement or provides a quick solution to a problem 强心剂；刺激（物）；鼓舞的力量◆The discovery of gas reserves was a much-needed shot in the arm for the economy.发现气田给经济注入了急需的一针强心剂。 ORIGIN This phrase refers to an injection of a drug. 这个短语原指注射药剂。 |
