"I wouldn't have this double handicap make a false start to-night for a million," he said. 

"I've got a little flat up in Harlem all ready, with chrysanthemums on the table and a kettle ready to boil. And I've engaged a pulpit pounder to be ready 

at his house for us at 9.30. It's got to come off. And if Rosy don't change her mind again!" - Mr. McGowan ceased, a prey to his doubts.

1） for a million 究竟是什么意思呢？查询各种词典，没找到相关的解释。

2） a prey to his doubts 很难理解这是什么含义？