be two的用法和样例：
例句
- These two lines coincide with each other.
这两条线彼此相合。 - He and his father are two, I hear.
我听说，他和他父亲合不来。 - The two boys can't relate to each other.
这两个男孩合不来。
词汇搭配
- be up to a thing or two 很有经验, 明白事理...
- be unable to put two words together 一句话都说不清楚...
- be of two minds 三心两意
- be two a penny 无价值; 没意思...
