首頁›Browse›S›shell upshell up編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看shell upshell up — 動詞動詞1. to withdraw into one's shell, become quiet or uncommunicative1.動詞釋義退縮to withdraw into one's shell, become quiet or uncommunicative例句When asked about his past, he shelled up and refused to answer.