2 sentences for 好意思 (hǎo​yì​si)

1. 你自己都没做完，怎么还好意思说别人？

   nǐ zì​jǐ dōu méi zuò​wán, zěn​me hái hǎo​yì​si shuō bié​ren?

   You haven't even finished it yourself; how can you have the nerve to criticize others?

   Source: Dong Chinese Dictionary

2. 他犹豫了很久，才好意思开口向朋友借钱。

   tā yóu​yù le hěn jiǔ, cái hǎo​yì​si kāi​kǒu xiàng péng​you jiè​qián.

   He hesitated for a long time before he felt comfortable asking his friend for money.

   Source: Dong Chinese Dictionary