an unsteady uneven gait
同义词:lurch??/??stagger
an unintentional but embarrassing blunder
同义词:trip??/??trip-up??/??misstep
walk unsteadily
同义词:falter??/??bumble
miss a step and fall or nearly fall
同义词:trip
encounter by chance
同义词:hit
make an error
同义词:slip up??/??trip up
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。