单词：bar to
(变成)…的障碍；禁止入内
bar to的用法和样例：
例句
- No, I'm going to the snack bar to get a doughnut and some milk.不，我要到小吃店买一个油炸圈饼和一些牛奶。
- Poor health may be a bar to success in life.健康不佳可能成为人一生中取得成功的障碍。
- They tried to use an iron bar to pry open the lock.他们试图用一根铁棒撬开锁。