“from start to finish”就是从开始到结束，即自始至终，从头到尾。

【例句】
With chess you're involved in a battle of wits from start to finish.
下国际象棋从头到尾都是在比拼智慧。

The whole discussion was a disaster from start to finish.
整个讨论自始至终糟糕透了。