keep a tight hand on的用法和樣例：
例句
用作及物動詞 (vt.)
- Security was tight in the capital, and three US activists were arrested after holding a pro-Tibet protest.
首都北京的安全處於嚴密的控制下，三名美國激進分子於舉行支持西藏流亡政府的抗議而被拘捕。 - The state-controlled press is still vilifying the Dalai Lama and the authorities have maintained a tight grip on Tibetan regions.
由國家控制的新聞系統，仍然在指責達賴喇嘛，並且當地權力機構依然對藏區進行著嚴密的控制。
辭彙搭配
- keep a tight hand on someone 緊緊掌握住某人...
