3 sentences for 底 (dǐ — end)

1. 报名日期截止到本月底。

   bào​míng rì​qī jié​zhǐ dào běn yuè dǐ.

   The registration deadline is the end of this month.

   Source: Dong Chinese Dictionary

2. 现在快十月底了。

   xiàn​zài kuài Shí​yuè dǐ le.

   It's nearly the end of October.

   Source: OpenSubtitles

3. 我们打算在今年六月底全家去海边旅游。

   wǒ​men dǎ​suàn zài jīn​nián Liù​yuè dǐ quán​jiā qù hǎi​biān lǚ​yóu.

   Our whole family plans to go to the seaside at the end of June.

   Source: Dong Chinese Dictionary