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- His eyes were so tired that he had difficulty focusing them . 他的眼睛累了，调节焦距困难。
- His eyes were so tired that he had difficulty focusing them. 他的眼睛累了,调节焦距困难。
- Inattentive children have difficulty focusing on completing a task or learning something new. 英语文能力与广博知识也就可以同时自动提升。
- A mere 2% drop in body water can trigger fuzzy thinking, short-term memory lapses, trouble with basic math, and difficulty focusing on the computer screen or on a printed page. 体内2%25水分下降就可以造成短暂记忆模糊,甚至影响基本运算和集中精神的能力。
- Next term, on top of continuing to make progress in English, I hope he can continue to make progress behaviorally-- sometime Louis has a little difficulty focusing on class. 你在做自己喜欢的事情，比如：玩玩具、看书、看动画片，听故事，听故事的时候啊，眼睛都会一眨不眨，聚精会神的；
- Symptoms of eyestrain include sore eyes and difficulty focusing, poor night vision, difficulty in focusing after concentrating on an object, headaches and sore, red inflamed and weeping eyes. 眼睛疲劳的症状包括如下：眼睛疼痛，难于集中，夜视非常差，在注视一个物体后重新集中视线很困难，头痛，眼睛发红、疼痛、感染、流泪。
- ADHD, the most common neurobehavioral disorder in childhood, affects 4 to 12 percent of U.S. school-age children. Symptoms include short attention span, impulsive behavior and difficulty focusing. ADHD注意力缺陷过动症,这个儿童期最常见到的神经行为异常，在美国学龄儿童佔百分之4到百分之12，症状有注意期间短、冲动、不容易专心。
- His eyes were so tired that he had difficulty focusing them 他的眼睛累了,调节焦距困难。
- A difficulty has cropped up at work. 工作中突然出现困难。
- He could bluff his way through any difficulty. 他可以招摇撞骗闯过任何难关。
- I obtained this record for you with difficulty. 我好不容易为你弄到了这张唱片。
- Modern artists have difficulty in finding patrons. 现代艺术家们很难找到赞助人。
- His disposal of the difficulty pleased everybody. 他对困难的处理使大家都感到满意。
- He faced the difficulty with courage. 他勇敢地面对困难。
- He finished the work without any difficulty. 他轻而易举地完成了这项工作。
- Get over the difficulty is possible. 克服这些困难是有可能的。
- Wherein does the difficulty lie? 困难何在？
- Fantastic, he cleared2.4 meter without difficulty. 好极了，他轻松地越过了2米4。
- Do you apprehend there will be any difficulty? 你怕有任何困难吗？
- Go it, we'll help you to beat the difficulty. 干吧，我们将帮助你克服困难。
