我绝不是专家。

I'm not an expert ___by ___any ___means.

市长能做什么来结束罢工一点也不清楚。

It is ___by ___no ___means clear what the mayor can do to end the strike.

首先，对抗空气污染的斗争绝不是一项简单的任务。

For one thing, the fight against air pollution is ___by ___no ___means an easy mission.