stumble over的用法和樣例：
例句
- You trip over a cassette recorder.
你給一臺錄音機絆倒了。 - Someone tripped over the extension cord.
有人被延長(cháng)線(xiàn)給絆倒了。
- She stumbled over the long word.
她結結巴巴地說(shuō)那個(gè)長(cháng)詞。 - He stuttered over the flowery congratulations he offered and his formal hope that the first grandchild would be masculine.
他結結巴巴地說(shuō)著(zhù)那些他獻上的華麗的賀詞，還有他的鄭重希望，第一個(gè)外孫會(huì )是男性的。
