名词
1. (饮料或食物)一口之量
A mouthful of drink or food is the amount that you put or have in your mouth.
2. 冗长而拗口的词（或短语）;难读的词（或短语）
If you describe a long word or phrase as a mouthful, you mean that it is difficult to say.
1. a small amount eaten or drunk
e.g. take a taste--you'll like it
Synonym: taste
2. the quantity that can be held in the mouth