词性及解释

强心针 n. a shot in the arm

从字面上看，a shot in the arm指的是“在胳膊上注射一针”，其实它的意思是“刺激因素”，也就是我们平时说的“强心针”，意为“使之振奋、复苏”。

例句

The wide-ranging supportive measures will certainly give the auto industry a shot in the arm.
大规模的援助措施当然会给汽车业打上一剂‘强心针’。

The big sale was a shot in the arm to the failing company.
那笔大生意给那间摇摇欲坠的公司打了一剂强心针。

The money was a great shot in the arm for the company.
对该公司来说，这笔钱真可谓是雪中送炭。