n.障碍；梁木；突然停止
v.阻止；突然停止；拒绝
=balk
The builder shored up the wall with a thick baulk of wood. 建筑者用主根粗木梁把墙支住。
Many parents may baulk at the idea of paying $100 for a pair of shoes. 许多作父母的可能不愿出100块钱买一双鞋。
