2 sentences

1. 老师在课上提到，累字在古语中也有绳索的意思。

   lǎo​shī zài kè shàng tí​dào, léi zì zài gǔ​yǔ zhōng yě yǒu shéng​suǒ de yì​si.

   The teacher mentioned in class that in ancient Chinese, the character 'lei' also meant 'rope'.

   Source: Dong Chinese Dictionary

2. 古语有云：“满招损，谦受益”，我们应当时刻保持低调。

   gǔ​yǔ yǒu yún:“ mǎn zhāo sǔn, qiān shòu​yì”, wǒ​men yīng​dāng shí​kè bǎo​chí dī​diào.

   As the old saying goes, 'Pride leads to loss while modesty brings benefit,' we should always stay low-key.

   Source: Dong Chinese Dictionary