1. 拖累;障碍;累赘
    An encumbrance is something or someone that encumbers you.

1. any obstruction that impedes or is burdensome

    Synonym: hindrancehinderancehitchpreventivepreventativeincumbranceinterference

2. an onerous or difficult concern

    e.g. the burden of responsibility
           that's a load off my mind

    Synonym: burdenloadincumbranceonus

3. a charge against property (as a lien or mortgage)

    Synonym: incumbrance