miàn / duì / dà / jiā / de / zhì / yí / zhèng / rén / zhǐ / tiān / shì / rì / de / bǎo / zhèng / zì / jǐ / shuō / de / dōu / shì / zhēn / de

面对大家的质疑，证人指天誓日地保证自己说的都是真的。

Facing everyone's doubts, the witness solemnly swore that everything he said was true.