3 sentences

1. 北京有许多著名的胡同。

   Běi​jīng yǒu xǔ​duō zhù​míng de hú tòng.

   There are many famous hutongs in Beijing.

   Source: Dong Chinese Dictionary

2. 北京有许多著名的小胡同。

   Běi​jīng yǒu xǔ​duō zhù​míng de xiǎo hú tòng.

   Beijing has many famous narrow alleys called hutongs.

   Source: Dong Chinese Dictionary

3. 为了赶时间，我抄近路钻进了窄窄的胡同里。

   wèi​le gǎn shí​jiān, wǒ chāo jìn lù zuān​jìn le zhǎi zhǎi de hú tòng lǐ.

   To save time, I took a shortcut through a narrow alley.

   Source: Dong Chinese Dictionary