某事物对某事物产生突然而积极的影响，提供鼓励和新的活动
"A Shot in the Arm" is a 1999 single by the American band Wilco from their album Summerteeth. The phrase "a shot in the arm" means "a stimulus"; originally this meant a stimulus from the injection of narcotic or medicinal drugs (a "shot" is US slang for an injection).
刺激因素
... t 临终忏悔 a shot in the arm 刺激因素 a shot in the locker 备用金 ...
考试 ... Rule of thumb: 凭经验而来的方法 The run of the mill: 例常的事 A shot in the arm: 一剂兴奋剂 ...
... 一着不慎满盘皆输 the straw that breaks the camel's back 强心剂 a shot in the arm 投降认输 throw in the towel ...
... 捷径和妙方quick fix and silv 强心针 a shot in the arm 要求更多奖学金的E-mail ...
The encouraging letter was like a shot in the arm.
这封鼓舞人心的信，宛如一服兴奋剂。
The Queensland floods are giving a shot in the arm to steel prices.
昆士兰洪灾给钢铁价格打了一针强心剂。
This finding was a shot in the arm for defenders of sleep substances.
这一发现给那些否认睡眠物质的人当头一棒。
With mills increasing production, other local timber economies are getting a shot in the arm.
The rollout of LTE or 4G will be a shot in the arm for most wireless vendors.
Given the difficulties and delays involved in developing new drugs, microdosing could offer the industry a shot in the arm.