bitter
The Italian word 'amaro' is used to describe a bitter taste, similar to how it's used in English. It can refer to food, drink or even metaphorically to describe a person's mood or a situation. For example, 'Il caffè è amaro' means 'The coffee is bitter'. Note the double letter 'm' in 'amaro', which needs to be pronounced clearly in spoken Italian.
The coffee is too bitter for me.
This sentence is expressing a dislike for the taste of coffee due to its bitterness. The term 'amaro' is used here to describe the bitter taste of the coffee.
I like the bitter taste of dark chocolate.
In this sentence, the speaker is expressing their preference for the bitter taste of dark chocolate. 'Amaro' is used here to describe the taste of the dark chocolate.
The bitter liquor is a classic Italian after-dinner.
This statement is referring to the Italian tradition of having a bitter liquor as an after-dinner drink. 'Amaro' in this context is being used to describe the taste of the liquor.