侦探彻底搜索草坪，寻找绑架案的蛛丝马迹。

The detective felt thoroughly through the lawn for any trace of the kidnapping.

他一心要揪出绑架案的幕后黑手。

He wanted to find behind the kidnapping of the.

不断增加的绑架案使得市民的不安感越来越强烈，即使保护严密的人也一样。

The increase in kidnapping has heightened the feeling of insecurity, even among those with protection.