1. (在辩论、争论中)认错，服输，改变意图（或要求）
    If you climb down in an argument or dispute, you admit that you are wrong, or change your intentions or demands.

    e.g. If Lafontaine is forced to climb down, he may wish to reconsider his position...
           如果拉方丹被迫让步，他可能愿意重新考虑自己的立场。
    e.g. He has climbed down on pledges to reduce capital gains tax.
           他已经作出退让，许诺降低资本收益税。

1. come down

    e.g. the birds alighted

    Synonym: alight