rock-hard的例句（rock-hard在句子中的用法）

• He had been working very hard so he had no qualms about taking a few days off. 他一直辛勤工作，所以休息几天他觉得心安理得。
• If a book is hard going, it ought to be good. If it posits a complex moral situation, it ought to be even better. 如果一本书很难读，那么它应该是一本好书；如果它提出了一个复杂的道德状况，那么它就更应该是本好书了。
• An aquifer is a water-bearing rock stratum such as sandstone and chalk. 地下蓄水层是一些有水的岩石层, 如沙岩和白垩岩。
• a stratum of rock 岩层
• Better work as hard as an ant than lead a parasitic life as a sparrow. 宁做蚂蚁腿,不做麻雀嘴。
• a sliver of rock thin enough to be translucent 一小片薄得半透明的岩石
• ‘Cooking for ten people is hard work.’ ‘You’re telling me!’ “给十个人做饭是很累的。”“可不！”
• We tugged so hard that the rope broke. 我们使劲地拉以至把绳子拉断了。
• He works extremely hard and therein lies the key to his success. 他工作极为勤奋，那就是他成功的关键。
• He tried hard to satisfy me of his sincerity. 他竭力让我了解他的诚意。
• Optimism made him alive through the hard days. 乐观主义使他在艰难的岁月里活了下来。
• Moss grows on a rock. 苔藓生在石头上。
• a thickness of rock 岩层
• He sucked hard for air to keep breathing. 他拼命吸气以维持呼吸。
• Pride spurs him to work hard. 自尊心促使他努力工作。
• He is honest, sober and hard-working. 他诚实、稳重、勤奋。
• The judge sentenced him to do hard labour. 法官判他服劳役。
• His illness would not permit that he (should) work hard. 病魔不允许他辛苦工作。
• Poverty obliged her to live a hard life. 贫困迫使她过艰苦的生活。
• Your progress will urge us to work hard. 你的进步会促进我们努力学习。