4. His legs are shorter than yours.
A is bigger/smaller/higher/shorter/longer than B
She is much more beautiful than I
This street is four times shorter than th at one. 这条街道比那条短四倍。Mary is more beautiful than anyone els e in her company. 玛丽在公司里比其他人都漂亮。It rains less in London than in Manches 伦敦的降雨量比曼彻斯特少。
My trousers are shorter than yours..