沃尔特在口袋里摸索，一个他以前抽烟时形成的习惯性动作。

Walt fumbled in his pocket, a reflex from his smoking days.

《柯林斯英汉双解大词典》

即在意识不清的情况下，无目的地动作或无意义的不合时宜的语言或行为，如胡乱摸索、行走、奔跑、踢打、胡言乱语、微笑或狂笑等。

That is, in the case of consciousness, no destination untimely action or meaningless language or behavior, such as random groping, walking, running, kicking, nonsense, such as a smile or laughter.

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