overextend

overextend
verb
[with obj.](一般作 be overextended)
  1. make too long
    拖得太长;过分扩展
    at nine minutes plus the song is somewhat overextended.
    这首歌要唱9分多钟有点拉得太长了。
  2. impose on (someone) an excessive burden of work or commitments
    使工作负担过重;使承担过多义务;使作过分的承诺
    he should not overextend himself on the mortgage.
    他不应该为这笔抵押贷款而过度劳累。
派生
overextension
noun
英语宝典
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