曲折的英文：
complicated
winding

参考例句：

Delightfully complicated
曲折有致

Bending or winding alternately from side to side;sinuous.
蜿蜒的;曲折的从一边到另一边交替弯曲或蜿蜒的;曲折的

Reconciliation on the Korean Peninsula is moving haltingly
朝鲜半岛和解进程依然曲折。

His trip.is an eerie nightscape full of rubble and reflexive violence(Time)
他神秘的经历充满了坎坷与曲折(时代)

labyrinth gland
迂回[曲折,迷宫式]密封盖

We moved along the sinuous gravel walks, with the great concourse of girls and young men
我们沿着曲折的石径，随着青年男女汇成的巨流一路走去。

An element that indicates grammatical class or function;a derivational or inflectional morpheme.
标记表示语法种类或功能的成分;衍生的或曲折演化来的语素

Moving in or having a zigzag.
曲折的曲折移动的或弯曲的

An indented coastline
曲折的海岸线

Tortuous reasoning.
曲折推理

complicated是什么意思：
adj. 结构复杂的

The sceptic knows that life is complicated.
怀疑论者却深知人生是如此错综复杂、扑朔迷离。

Involved or intricate, as in structure; complicated.
复杂的在结构中牵扯较多的或错综复杂的；复杂的

There is no need to complicate matters.
没有必要使问题复杂化。

What a complicated queue!
好复杂的一张表啊！

This dance step is quite complicated.
这个舞步挺复杂的。

winding是什么意思：
adj. 弯曲的，蜿蜒的
n. 线圈

The wind is blustering.
风在呼啸狂吹。

Wind power: Use of the energy in winds to produce power.
风力:利用风的能量来产生动力。

wind energy potential
风能潜力

a wind instrument with a free reed.
带有自由簧片的管乐器。

To cause(a wind instrument)to sound.
奏出使管乐器发声