break no square

例句：

1. 1. The glass was too thick to break with a hammer.
   这块玻璃太厚了，用锤子敲不碎。
2. 2. The old tree broke in two when it fell.
   老树倒下时，分成了两半。
3. 3. The ice cracked under the weight of the snow.
   雪的重量使冰裂开了。