Tell as the fact is.此外,还可以有以下几个说法speak franklynot beat about the bushnot mince matters [words]talk straightto tell the truthTell it like it is!Talk it like it is!Straight Talking
说实话的英文短语有如下in faithspeak the truthtell the truthto tell the truth例句说实话我以为他考试及不了格,但是那天他发挥出色,考得不错。I didn't honestly think he'd pass the exam but he came up trumps on the day.