他们试着在洞穴正下方的一块地上挖掘。They tried digging in a patch just below the cave.这正是洞穴探险者害怕的那种洪水。This is the type of flood dreaded by cavers.那些洞穴深约18公里。The caves extend for some 18 kilo-metres....
The evening show was terrible, with hesitant unsure performances from all.晚上的演出很糟，所有人都缩手缩脚，显得很不自信。She was hesitant about coming forward with her story.她不大愿意站出来讲述自己的经历。She's hesitant about signing the contract.她对是否签这...