I stumbled along in the dark, trusting to luck to find the right door.

我摸黑跌跌撞撞地往前走，全凭运气去找对门。

《牛津词典》

I stumbled along as best I could.

我结结巴巴地尽我所能。

youdao

I stumbled along as best I could.

我结结巴巴地尽我所能。

youdao