叭

bā

trumpet

How to write 叭, stroke by stroke

denote a sound or sharp noise (gunfire etc)

Pictophonetic: semantic 口 (mouth), phonetic 八

Made of 口 + 八

喇叭lǎ bahorn (automobile etc); loudspeaker; brass wind instrument; trumpet; suona 锁呐
吹喇叭chuī lǎ ba(lit.) blowing the trumpet; (fig.) to praise sb; (slang) to give a blowjob
叭啦狗bā lā gǒubulldog
喇叭形lǎ ba xíngflared; funnel-shape; trumpet-shape
喇叭花lǎ ba huāmorning glory
喇叭裙lǎ ba qúnflared skirt
喇叭裤lǎ ba kùflared trousers; bell-bottomed pants
伸缩喇叭shēn suō lǎ batrombone
低音喇叭dī yīn lǎ bawoofer
喇叭水仙lā bā shuǐ xiāndaffodil
高音喇叭gāo yīn lǎ batweeter

火车在快到交叉路口的时候减速、按喇叭。
huǒ chē zài kuài dào jiāo chā lù kǒu de shí hòu jiǎn sù 、 àn lǎ ba 。
The train slowed and blared its horn as it approached the railway crossing.