不随意的

Dress at the party was informal,with no neckties or fancy dresses.

晚会上人们的服装很随意,不打领,穿高档的西服。

Mr.Jones cried out as he was stuck again with the hatpin "Right again," said the minister, smiling.

简单不等于随意，在图中需要小心的处理这个简单的几何结。

When viewed from a microscope, there is no striation presented in the muscle, and moreover, since it is no controlled by our willpower, it is called involuntary, nonstriated muscle.

从纤维镜下观察，平滑无纹状结，平滑不随人的意志收缩，故称不随意纹。