pin down片語動詞KK [pɪn daʊn] /pɪn daʊn/發音片語動詞1確定、查明、說清可拆開Scientists still can't pin down the exact cause of the outbreak.科學家至今無法查明這次疫情的確切起因。2使明確表態、逼…說清楚可拆開I tried to pin him down to a specific delivery date.我試著逼他說定一個確切的交貨日期。3按住、壓住、制住可拆開Two officers pinned him down until backup arrived.兩名警員把他按在地上,直到支援趕到。4牽制、困住可拆開Enemy fire pinned down the soldiers for several hours.敵軍的火力把士兵們牽制了好幾個小時。5別住、釘住、固定可拆開She pinned down the pattern before cutting the fabric.她把紙樣別好後才裁布。