stumble over

基本解释

You stumble over your words. You flub a tough question.
可怕的沉默、你說話結結巴巴、你無法廻答一個特別睏難的問題。
Plus, the handy pronunciation tool will make sure you never stumble over “Ahmadinejad” again!
另外，超方便的發聲工具將會確保您再也不會結結巴巴的說出“艾哈邁德內賈德”！
Two principles: one, don't stumble over peanuts; two, everything is a peanut.
兩個原則：不要糾纏於小事；二、任何事都是小事。
blog.sina.com.cn

This turns out to be a euphemism for a ten-minute stumble over broken pavements, through the traffic fumes of south London.
ECONOMIST: The Tate Modern
Turmoil at the top of Morgan Stanley has energized an already strong hiring market, as recruiting firms stumble over each other to lure senior bankers and specialists to rival firms.
FORBES: Wall Street's Hiring Spree
Vivendi's shares have fallen 7% since the news leaked out, Seagram's stock trades at 26% below the offering price, and reporters stumble over themselves to chortle at Vivendi's star-crossed ambitions.
FORBES: Goodwill For All