They once took a big chance on my analysis of an applicant's writing.

他们曾经在我对申请人写作的分析中抓住了很大的机会。

I think you're taking a big chance with this guy.

我觉得你跟他在一起是在冒险。

And they took a big chance because it was put on Friday night 'cause they didn't think it was, anybody was gonna watch it.

他们抓住了一个很大的机会，因为它是在周五晚上放映的，因为他们认为没有人会看。

Lee took a big chance. He moved most of his men into position to attack what he now knew was the weak, right side of the Union line. He left only a few thousand men to defend Richmond.

李将军抓住了一个大好时机，他把大多数兵力调去攻击他获悉的联邦军防线右侧的薄弱部分，而只留下几千人保卫里士满。