4 sentences

1. 这儿有个箭头。

   zhè​r yǒu gè jiàn​tóu.

   There's an arrow here.

   Source: OpenSubtitles

2. 请顺着路标上的箭头方向行驶。

   qǐng shùn​zhe lù​biāo shàng de jiàn​tóu fāng​xiàng xíng​shǐ.

   Please follow the direction of the arrow on the road sign.

   Source: Dong Chinese Dictionary

3. 墙上的箭头指示着紧急出口的位置。

   qiáng shàng de jiàn​tóu zhǐ​shì zhe jǐn​jí chū​kǒu de wèi​zhi.

   The arrows on the wall indicate the location of the emergency exit.

   Source: Dong Chinese Dictionary

4. 这种古代的箭头是由青铜制成的。

   zhè zhǒng gǔ​dài de jiàn​tóu shì yóu qīng​tóng zhì​chéng de.

   This ancient arrowhead is made of bronze.

   Source: Dong Chinese Dictionary