unpretentiousness的翻译，读音

不矫揉造作 (bù jiǎo róu zào zuò)

Explanation:

• 不 (bù): not
• 矫揉 (jiǎo róu): to be artificial, affected
• 造作 (zào zuò): to be contrived, unnatural

Other possible translations:

• 朴实 (pǔ shí): plain, simple
• 自然 (zì rán): natural, unforced
• 低调 (dī diào): low-key, unassuming

The most appropriate translation depends on the specific context in which the word "unpretentiousness" is used.