keep at bay

• vi. 牵制

keep at bay的用法和样例：

例句

用作不及物动词 (vi.)

1. The soldiers tried to keep the attacking enemy in check until help came.
   战士们设法牵制住敌人，等待援兵到来。
2. As a result, our Nation is hampered in its ability to gain the vital intelligence we need to keep the American people safe.
   因此，我们国家需要关键的情报来保证国家和人民的安全，但我们获得这些情报的能力不足，而这也已经牵制住我们国家的正常发展了。