be two的用法和樣例：
例句
- These two lines coincide with each other.
這兩條線彼此相合。 - He and his father are two, I hear.
我聽說，他和他父親合不來。 - The two boys can't relate to each other.
這兩個男孩合不來。
辭彙搭配
- be up to a thing or two 很有經驗, 明白事理...
- be unable to put two words together 一句話都說不清楚...
- be of two minds 三心兩意
- be two a penny 無價值; 沒意思...
