slight

n. 轻蔑
a. 轻微的,纤细的,脆弱的
v. 轻视,忽略

I haven't the slightest idea what you are talking about.

我一点也不明白你在说些什么。

Her slight frame was shaken by bouts of coughing.

她纤弱的身躯因阵阵咳嗽而发颤。