趣味青春英语电台 第212期:Play by ear

 　　Idiom:

　　Play by ear ( do whatever you want without plan )

　　Hit the book:

　　Stimulant¹

　　Inhibit²

　　Torture

　　Symptom

　　Quit drinking coffee

　　Coffee contains caffeine that will prevent you to sleep, so that you will suffer insomnia³ (sleeplessness / not getting asleep). "Caffeine is a stimulant, and inhibit sleeping," said David C.Brodner, MD, medical director of Center for Sleep, Allergy⁴, and Sinus Wellness in Boynton Beach, Florida. Caffeine will stay in your body in a period of time, and it will lose in approximately 6 hours after you drink coffee. Therefore, you should avoid drinking coffee 9 hours before you go to bed.

1 stimulant   

n.刺激物，兴奋剂

参考例句：

• It is used in medicine for its stimulant quality.由于它有兴奋剂的特性而被应用于医学。
• Musk is used for perfume and stimulant.麝香可以用作香料和兴奋剂。

2 inhibit   

vt.阻止，妨碍，抑制

参考例句：

• Don't let ego and greed inhibit clear thinking and hard work.不要让自我和贪婪妨碍清晰的思维和刻苦的工作。
• They passed a law to inhibit people from parking in the street.他们通过一项法令以阻止人们在街上停车。

3 insomnia   

n.失眠，失眠症

参考例句：

• Worries and tenseness can lead to insomnia.忧虑和紧张会导致失眠。
• He is suffering from insomnia.他患失眠症。

4 allergy   

n.(因食物、药物等而引起的)过敏症

参考例句：

• He developed an allergy to pollen.他对花粉过敏。
• The patient had an allergy to penicillin.该患者对青霉素过敏。