1·Our brains respond better to difficulty than we imagine.
我们的大脑对困难的反应比我们想象的要好。
2·Emotional labor can lead to difficulty in sleeping and family conflict.
情绪劳动会导致睡眠困难和家庭冲突。
3·Larger doses can lead to difficulty breathing, increased blood pressure and heart rate, and kidney failure.
大量的氢氰酸会导致呼吸困难、高血压、心脏跳动过快以及肾衰竭。
4·Studies have shown that excessive TV watching is linked to difficulty in sleeping, behavioural problems and increased obesity in children.
调查显示，看电视过多会让孩子出现睡眠不良和运动量少等问题。
5·The patient was perceived to have difficulty in breathing.
发现病人呼吸困难。
—— 《牛津词典》
6·No difficulty amounts to much.
再大的困难也不在话下。
—— 《新英汉大辞典》
7·The difficulty is which one to choose.
困难的是要选择哪一个。
8·The task varied in difficulty according to the pitch of the second tone.
这项任务的难度随着第二个音调的高低而变化。
9·It has something to do with the difficulty of the activities in question.
这与所讨论的活动的难度有关。
10·One key difficulty is getting robots to know their place.
一个主要的困难是让机器人知道它们的定位。