I 開頭單詞
in confidence 秘密地
in conference 在開會
in condition adv. 健康狀況好，身體條件適合
in concordance with 一致；和諧
in concord 和諧地
in conclusion 總之；最后
in concert with 和…相呼應；與…合作；和…一致
in concert 一致；齊聲
in complete shambles 一片混亂
in complete secrecy 神不知，鬼不覺
in competition with 與…競爭
in comparison with 與…比較，同…比較起來
in comparison to 與…相比
in comparison adj. 相比之下；與……比較
in comparable prices [數(shù)學]按可比價格計算
in comparable price [新聞學與傳播學]按可比價格
in company 一起；當眾