困难的副词和名词

　　Development in Treatment Technology for Toxic Industrial Wastewater Degraded Difficultly

　　有毒难降解工业废水处理技术研究进展

　　Analysis of starting difficultly about model 135 diesel engine

　　135柴油机启动困难原因分析

　　These targets were difficultly recovered even though removed water stress.

　　而且即使解除胁迫后其生长及各项指标也难以恢复。

　　They showed great perseverance in the face of difficulty.

　　他们面对困难表现了坚强的毅力。

　　One of the staff saw he was in difficulty and came to his aid.

　　一名工作人员见他有困难，便过来帮忙。

　　I think the problem can be got over without too much difficulty.

　　我认为这个问题不太难解决。