encumbered

The hikers were encumbered by heavy backpacks and climbed the hill very slowly.

用法提示：encumbered 是形容词，在 were 后作表语，表示“被……拖累而行动缓慢”，用 by 引出造成负担的东西。

She felt encumbered by all the rules her new job imposed on her.

用法提示：encumbered 是形容词，跟在 felt 后作表语，说明因规则太多而感到受束缚、行动迟缓。

Encumbered by two heavy suitcases, she made her way slowly to the train.

用法提示：encumbered 是形容词，放在句首作状语性的描述，表示主语因重物而行动缓慢。