麻木不仁

yòu shǒu má mù bù rén

右手麻木不仁。

The right hand has no feeling.

nǐ duì tóng zhì yào mǎn qiāng rè qíng ér bù shì má mù bù rén

你对同志要满腔热情，而不是麻木不仁。

You should show warmth towards your comrades, not indifference and apathy.

tīng lái yě xǔ má mù bù rén bù guò wǒ dí què bù lǐ jiě tā wèi shén me rú cǐ nǎo nù

听来也许麻木不仁，不过我的确不理解她为什么如此恼怒。

It may sound insensitive, but I don't understand why she's so angry.