無事無白bô-sū-bô-pe̍h副詞副詞無緣無故。你按呢無事無白來共我罵，敢毋免共我會失禮？Lí án-ne bô-sū-bô-pe̍h lâi kā guá mē, kám m̄-bián kā guá huē-sit-lé?你這樣無緣無故來罵我，難道不用跟我道歉？類義無代無誌bô-tāi-bô-tsì無張無持bô-tiunn-bô-tî無因致端bô-in-tì-tuann無因無端bô-in-bô-tuann無緣無故bô-iân-bô-kòo無端無故bô-tuann-bô-kòo無底無代bô-tī-bô-tāi