大不了就是我一个人去。
dà bùliǎo jiùshì wǒ yígè rénqù 。
At worst, it will just be me going alone.
大不了我们重新开始。
dà bùliǎo wǒmen chóngxīn kāishǐ 。
If worst comes to worst, we can start over.
大不了我就再努力一次。
dà bùliǎo wǒ jiù zài nǔlì yīcì 。
If it comes to that, I'll just try harder once more.