| 修造 | xiu1 zao4 | to build |
| 保修 | bao3 xiu1 | warranty |
| 等位基因 | deng3 wei4 ji1 yin1 | allele (one of two paired gene in diploid organism) |
| 减损 | jian3 sun3 | to weaken |
| 缮 | shan4 | to mend |
| 对子 | dui4 zi3 | antithetical couplet |
| 唉声叹气 | ai1 sheng1 tan4 qi4 | to sigh in despair |
| 仰屋 | yang3 wu1 | to lie looking at the ceiling (in despair) |
| 尿嘧啶 | niao4 mi4 ding4 ni4 mi4 ding4 | uracil nucleotide (U, pairs with adenine A 腺嘌呤 in RNA) |
| 自暴自弃 | zi4 bao4 zi4 qi4 | desperateness |
| 对抗赛 | dui4 kang4 sai4 | duel |
| 万念俱灰 | wan4 nian4 ju4 hui1 wan4 nian4 ju1 hui1 | completely disheartened |
| 双绞线 | shuang1 jiao3 xian4 | UTP |