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- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- 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。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- Business is now on the up grade. 目前生意蒸蒸日上。
- Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等。
- 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。
- 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。
- The sixth grade saw an educational film yesterday. 六年级学生昨天看了一部教育片。
- 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。
- He received a failing grade on the term paper. 他的期末报告不及格。
- It is difficult to decide between the two opinions. 在这两种意见之间抉择是困难的。
- Red and yellow grade into orange. 红与黄混合成橘黄。
- It is difficult to keep on terms with such a man. 很难和这样的人保持友好关系。
- The twins will enter the fourth grade this fall. 这对双胞胎今年秋季将升到四年级。
- It is difficult to stamp out all the crimes. 很难把所有的犯罪都消除掉。
- Their marriage is on the down grade. 他们的婚姻关系每况愈下。
- It's difficult raising a family on a small income. 依靠微薄的收入是很难养家的。
