今年看来难度大了许多。

This year, it's going to be much more difficult.

写实油画难度大，技术含量高；

The great difficulty and high technical skills;

培训 的难度大也是因素之一。

The difficulty of retraining is also a factor.

迷宫里有很多绝路和死胡同，难度大。

The maze was very difficult with many blind paths and dead ends.

陡倾角大直径长斜井混凝土衬砌施工技术复杂，施工难度大。

Construction technique of concrete lining of long inclined shaft with steep obliquity angle and large diameter is complex and extremely difficult.

她将这首难度大的钢琴协奏曲弹奏得完美无缺.

She played the difficult piano concerto to perfection.

这种大型特种设备建造施工难度大，特别是主梁的上拱度控制、大型箱体结构的变形控制都较一般结构难度大。

As a type of Special equipment, the construction of large-scale cranes is very difficult, especially the main beam camber control and the deformation control.

她将这首难度大的钢琴协奏曲弹奏得完美无缺。

She played the difficult piano concerto to perfection

此项工作政策性强，覆盖面广，操作难度大。

It has powerful policy, widespread scope and character of difficult operation.

从动螺旋伞齿轮的形状复杂,摆动辗压难度大.

Shape of spiral bevel driven gear is complex and rotary forging process is also difficult.