keep down

phrasal verb
1
to hide yourself by not standing up straight
پنهان شدن, خم شدن, خود را پایین نگه داشتن
2
to prevent a person, group, etc. from expressing themselves freely
سرکوب کردن, بازداشتن, منع کردن
The people have been kept down for years by a brutal regime.
You can’t keep Laura down—she’s so full of life.
synonym oppress
3
to make something stay at a low level; to avoid increasing something
پایین نگه داشتن, مهار کردن
to keep down wages/prices/the cost of living
Keep your voice down—I don't want anyone else to hear.
Keep the noise down .
4
to not bring something back through the mouth from the stomach; to not vomit
بالا نیاوردن, جلوگیری از استفراغ کردن, استفراغ نکردن
She's had some water but she can't keep any food down.