energy boost
stimulant pill
stay awake
vitality
1. He thought a pep pill would help him finish the work.
他觉得吃颗提神药能帮他完成工作。
2. Some students are tempted by pep pills during exam season.
在考试期间，一些学生可能会想尝试提神药。
A: You seem unusually energetic today.
A：你今天看起来格外精力充沛。
B: Maybe I just had a pep pill to start the day.
B：也许我只是为了开启新的一天吃了一颗提神药。
1) 指代可以让人精神振奋的兴奋剂
2) 口语中对提神药物的俗称
3) 强调快速获得能量的效果
1. 提神药；兴奋剂
e.g.
The athlete was questioned about taking a pep pill.
该运动员因是否服用提神药而受到质疑。
noun
1. A pill that is taken to increase energy or alertness.