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- The hostilities will be on eruption. 战事即将爆发。
- An active volcano may erupt at any time. 活火山随时可能喷发。
- It must be difficult to play various personae in the same movie. 在同一个电影中扮演不同的角色肯定不容易。
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
- The place was recently visited by a serious volcanic eruption. 这地方最近发生了一次严重的火山爆发。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- It is difficult to express it in terms of science. 要用科学的字眼来表达它是很困难的。
- The eruption of volcano makes many people lose their lives. 火山的爆发使许多人丧失了生命。
- It was difficult to gauge how people would respond. 大家的反应如何难以估计。
- She handled a difficult argument skilfully. 她巧妙地应付了一场艰难的辩论。
- He find it difficult to give shape to his idea. 他觉得很难把他的想法，明确表达出来。
- It is difficult to decide between the two opinions. 在这两种意见之间抉择是困难的。
- It is difficult to keep on terms with such a man. 很难和这样的人保持友好关系。
- It is difficult to stamp out all the crimes. 很难把所有的犯罪都消除掉。
- It's difficult raising a family on a small income. 依靠微薄的收入是很难养家的。
- He is unable to do such a difficult job now. 他现在还不能做这样困难的工作。
- The island was convulsed by the eruption. 该岛因火山爆发而激烈震动。
- She can play the most difficult piano music by ear. 她能不看乐谱，光凭听觉记忆弹奏最难的钢琴曲。
- The past month has been a difficult one for him. 上个月他很困难。
- The stain on his shirt is difficult to clean off. 他衬衣上的污点很难去除掉。
