5 sentences for 老 (lǎo — tough)

1. 你对我来说太老了。

   nǐ duì wǒ lái shuō tài lǎo le.

   You're too old for me.

   Source: OpenSubtitles

2. 你老了，没记性了。

   nǐ lǎo le, méi jì​xing le.

   You are old, you're losing your memory.

   Source: OpenSubtitles

3. 牛肉煮得太老了。

   niú​ròu zhǔ de tài lǎo le.

   The beef is overcooked and tough.

   Source: Dong Chinese Dictionary

4. 这些豆角太老了，里面的筋都嚼不动。

   zhè​xiē dòu​jiǎo tài lǎo le, lǐ​miàn de jīn dōu jiáo bù dòng.

   These green beans are too old; the fibers inside are too tough to chew.

   Source: Dong Chinese Dictionary

5. 这块牛肉太老了，他嚼了半天还是吞不下去。

   zhè kuài niú​ròu tài lǎo le, tā jiáo le bàn​tiān hái​shi tūn bù xià​qù.

   This beef was too tough; he chewed for a long time but still couldn't swallow it.

   Source: Dong Chinese Dictionary