什么我什么

what's what───事情的真相

that is that───就是这样

that's that───就这样

white hat───好人（美国西部片中好人戴白帽子，坏人戴黑帽子）；白帽黑客（合法的黑客，工作时寻找、测试和修补威胁计算机的漏洞）；白色帽子

what is more───而且

know what's what───心中有数

at a whack───一举，一气呵成地

You are just what I—what I wanted," he said.───你正是我——我想要的。”他说。