他现在对电子游戏非常着迷。

He's ___really into video games now.

她在科技行业是个大人物，所有人都知道她的名字。

She's a ___big-time name in the tech industry that everyone recognizes.

他这次可真是犯了大错，整个项目都受到影响。

He made a ___big-time mistake this time—the whole project was affected.