Long-term dependence on stimulants such as caffeine can disrupt your sleep schedule.

长期依赖咖啡因等兴奋剂会扰乱你的睡眠作息。

Stimulants like caffeine can help boost your energy and improve your athletic performance.

像咖啡因这样的兴奋剂能帮助激发你的能量，提升你的运动表现。

Yeah, drinking lots of water and alternative stimulants like exercise are supposed to help too.

是啊，多喝水、改用运动的方式让自己兴奋起来应该也是有效的。

Okay, so we can rule out stimulants as the culprit. Have you felt particularly stressed out lately?

好，那我们可以把刺激物的因素排除了。你最近感觉压力特别大吗？

Coffee and tea are mild stimulants.

咖啡和茶是轻度兴奋剂。

It is not a good idea to fight fatigue by taking stimulants.

服兴奋剂来抗疲劳不是个好主意。

In Asia synthetic stimulants are on the rise.

亚洲的合成兴奋剂使用量也在增长。

It is dangerous to mix yohimbine with other stimulants.

将育亨宾与其他兴奋剂混用是很危险的。

I suspected there was some stimulants inside the bean curd.

这么兴奋，豆腐里面不会有兴奋剂吧？