1. 洞口：Expand Small Room 扩展的小房间 | Hollow Out 洞口 | Long Hollway 长廊
1. But it may turn out to be a hollow victory, leaving doubts over the president's credibility that may return to haunt her.
2. A hole was chiseled in the top and the water remaining inside poured out creating a hollow vessel.
3. Cut off the tops of the pumpkins and hollow out the insides.
4. However, none of them turned out to be effective and became mere hollow slogan.