kept a tight hold on

• v. 严密的控制

kept a tight hold on的用法和样例：

例句

用作动词 (v.)

1. Security was tight in the capital, and three US activists were arrested after holding a pro-Tibet protest.
   首都北京的安全处于严密的控制下，三名美国激进分子于举行支持西藏流亡政府的抗议而被拘捕。
2. The state-controlled press is still vilifying the Dalai Lama and the authorities have maintained a tight grip on Tibetan regions.
   由国家控制的新闻系统，仍然在指责达赖喇嘛，并且当地权力机构依然对藏区进行着严密的控制。