They ate the packet of biscuits all in one go.

他们一下子把那包饼干全吃光了。

《牛津词典》

I'd rather do the journey in one go, and not stop on the way.

我宁愿一次走完全程，中途不停。

《牛津词典》

I'd prefer to pay regularly in small amounts, rather than have a large amount to pay in one go.

我宁愿定期小额付款，也不愿一次性大额支付。

youdao