Bob’s your uncle
US /bɑbz jʊər ˈʌŋ.kəl/
UK /bɑbz jʊər ˈʌŋ.kəl/

1.
大功告成, 就这么简单, 搞定
used to say that something is easy to do or that a result is assured
:
•
Just turn the key, push the button, and Bob's your uncle – the car starts right up.
只需转动钥匙,按下按钮,大功告成——车子马上就启动了。
•
Add the flour, then the milk, stir it all together, and Bob's your uncle – you've got a perfect sauce.
加入面粉,然后是牛奶,把它们搅拌在一起,大功告成——你就得到了一份完美的酱汁。