2 sentences

1. 请在下一个交叉口向左转。

   qǐng zài xià yī gè jiāo​chā​kǒu xiàng zuǒ zhuǎn.

   Please turn left at the next intersection.

   Source: Dong Chinese Dictionary

2. 我们走错了，必须走回头路回那个交叉口。

   wǒ​men zǒu​cuò le, bì​xū zǒu huí​tóu​lù huí nà​ge jiāo​chā​kǒu.

   We went the wrong way; we have to backtrack to that intersection.

   Source: Dong Chinese Dictionary