I was somewhat puzzled at his unwillingness to help.

他意帮让我有点困惑。

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

推滚用来分隔卷筒推力或帮性的、脆刚的量堵住卷筒。

He seems indisposed to help.

他似意帮。