絕口〔绝-〕 zyut⁶ hau² {jué kǒu}

(verb) to keep lauding for something; to speak something endlessly

絕口不提〔绝---〕 zyut⁶ hau² bat¹ tai⁴ {jué kǒu bù tí}

1. lips sealed and not saying anything (idiom); fig. to omit mention (of a non-person or embarrassing topic)
2. to censor