* bitter 1
a. 苦的,有苦味的
Black coffee leaves a bitter taste in the mouth.
不加奶的咖啡在嘴里留下了一些苦味。
* bitter 2
a. 引起悲傷的;令人難受的
learn from bitter experience
從慘痛教訓中吸取教益
Failing the exam was a bitter disappointment to him.
他考試不及格很傷心失望。
* bitterness
n. 苦味;痛苦
Bitterness and resentment only hurt one person, and it's not the person we're resenting--It's us.
* vanilla
n. 香草
* vagina
n. 陰道