stumble over的用法和樣例：
例句
- You trip over a cassette recorder.
你給一台錄音機絆倒了。 - Someone tripped over the extension cord.
有人被延長線給絆倒了。
- She stumbled over the long word.
她結結巴巴地說那個長詞。 - He stuttered over the flowery congratulations he offered and his formal hope that the first grandchild would be masculine.
他結結巴巴地說著那些他獻上的華麗的賀詞，還有他的鄭重希望，第一個外孫會是男性的。
