0 to step awkwardly while walking or running and fall or begin to fall -- 絆腳；絆倒
He pulled on his clothes and stumbled into the kitchen. 他披上衣服，搖搖晃晃地走進廚房。
We could hear her stumbling about/around the bedroom in the dark. 我們可以聽到她摸黑在臥室裡跌跌撞撞地走動。
In the final straight Meyers stumbled, and although he didn't fall it was enough to lose him first place. 邁耶斯在最後的直線跑道上絆了一下，雖然沒有摔倒，但也足以使他丟掉第一的位置。
Running along the beach, she stumbled on a log and fell on the sand. 她沿著海灘跑步時絆到一塊木頭上摔倒了。
1 to make a mistake, such as repeating something or pausing for too long, while speaking or playing a piece of music -- 犯錯；結結巴巴地說，支吾；不順暢地演奏
Methods with backwards time steps can only be conditionally stable; this stumbling block held up the development of high-order compositions for years.
The book's awkward structure is another stumbling block.
However, bioethics meets with many stumbling blocks in other regions, and its geographical progression has not been without problems.
The numerous stumbles along the way indicate just how awkward that exercise has been.
Accordingly, false starts were redefined as hesitations or stumbles on the first word of a line, or rereading the end of the previous line.
Upon listening to the children read the text aloud, it was noticed that some children were hesitating and stumbling at line breaks.
I seemed to have stumbled on a way to gather data to generate plausible new ideas.
We are stumbling toward it now and afraid to embrace it.
