watch your mouth
US /wɑtʃ jʊər maʊθ/
UK /wɑtʃ jʊər maʊθ/

1.
jaga mulutmu, hati-hati dengan ucapanmu
a warning to someone to stop using offensive or inappropriate language
:
•
Hey, watch your mouth! There are children present.
Hei, jaga mulutmu! Ada anak-anak di sini.
•
If you don't watch your mouth, you'll get into trouble.
Jika kamu tidak menjaga mulutmu, kamu akan mendapat masalah.