We have to start over. 我们必须从头再做一遍.
Let's go back to where we started. 咱们重回出发点. There's very little room for mistakes. 做这种事, 只容许很小的犯错空间.
He never hits a sour note. 他从没出过半点儿错. I'm almost never wrong. 我几乎不曾做错过什么.
Relax!What could possibly go wrong? 放心吧! 哪会出什么纰漏? You goofed again. 你又弄砸了.
