I was somewhat puzzled at his unwillingness to help.

他愿意帮让我有点困惑。

La hobber uponsize used to isolate a drum or help elastic crisp reel mansuetude material.

滚用来分隔卷筒或帮塑性的、脆刚的量堵住卷筒。

He seems indisposed to help.

他似乎愿意帮。