Many students learn vocabulary and try to put many words together to create a proper sentence. It amazes me how many words some of my students know, but they cannot create a proper sentence. The reason is because they didn't study phrases. When children learn a language, they learn both words and phrases together. Likewise, you need to study and learn phrases.

很多学员的单词量并不小，但是就是很难说出一个意思表达准确的句子。主要原因是大家知道的短语太少，学习过程中我们需要单词和短语并行，才会使你的句子更加地道、自然。