stumble

• He stumbled against a stone .
  他给一块石头绊倒。
• Presently he stumbled upon huck finn the red-handed .
  一会儿他就碰到了血手大盗哈克费恩。
• He stumbled over a stone .
  他给一块石头绊倒。
• The stumbling block is the mechanistic prediction of cloud cover .
  麻烦的是对云量的机械预报。
• We stumbled once or twice but we got there quite quickly .
  我们绊了一两跤，但很快就到了那儿。
• She stumbled upon a little hut belonging to a wood-cutter .
  她无意中看到一个供伐木人住的小茅屋。
• We stumble when we hit our feet against unseen objects .
  我们用脚碰到未看见的物体即为“stumble”。
• The lucky little detective had stumbled onto another big case .
  这个幸运的小侦探绊上了另一桩大案件。
• I stumbled over rotten logs, stepped into anthills .
  我一会儿被脚下的朽木绊倒，一会儿又踏进蚂蚁冢里。
• You never knew when you might stumble across some new talent .
  谁也说不准什么时候会碰上一位新的天才。