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- Current situation is difficult to control. 目前的情况难以控制。
- Is it difficult to control my breathing? 换所气难吗?
- He was finding it difficult to control his feelings. 他觉得很难克制住自己的感情。
- I don't think that the machine is difficult to control. 我想这台机器不难控制。
- These mechcorps proved to be too unwieldy and difficult to control. 这些机械化军被证明过于庞大，很难控制。
- The machine is difficult to control at first but it becomes easier with use. 这机器起初很难控制，但由于经常使用就容易掌握了。
- And candidal diseases are more severe and difficult to control than halitosis. 比起口臭，念珠菌疾病可更严重、也更难控制。
- Unfortunately, the iteration is easy to diverge and difficult to control. 计算时若初始形状与找形形状差异较大，则会使迭代计算发散。
- It is very difficult to control perennial weed field horsetail (Equsetum arvense L. ). 摘要问荆是一种多年生难防杂草。
- 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。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- But seed orchards are difficult to control, because tree pollen spreads so far that alien, non-elite trees almost inevitably muddy the gene pool. 但是有种子的果树很难控制，因为花粉传播的太远了，一些其它种类的树木就会不可避免地弄乱此基因库。
- Those rebellious teenagers are hard to control. 那些反叛的青少年很难管教。
- 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 firemen were unable to control the blaze. 消防队员无法控制这场大火。
- It was difficult to gauge how people would respond. 大家的反应如何难以估计。
- These worms are difficult to control once the bowel is opened, and considerable peritoneal soiling may result. 一旦肠子切开，大量蛔虫较难控制，可导致腹膜严重污染。
- 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。
- A vigilant police force helps to control crime. 一支警惕着的警察队伍有助于遏制犯罪。
