grope

1. V-I If you grope for something that you cannot see, you try to find it by moving your hands around in order to feel it. 摸索

With his left hand he groped for the knob, turned it, and pulled the door open. 他用左手摸索到門把手，轉動把手，把門拉開。

2. V-T If you grope your way to a place, you move there, holding your hands in front of you and feeling the way because you cannot see anything. 摸索而行

I didn't turn on the light, but groped my way across the room. 我沒有開燈，而是摸索著穿過房間。

3. V-I If you grope for something, for example the solution to a problem, you try to think of it, when you have no real idea what it could be. 尋找

He groped for solutions to his problems. 他尋找問題的解決辦法。