murmur

verb
1
to say something in a soft quiet voice that is difficult to hear or understand
زمزمه کردن, به آهستگی زمزمه کردن, زمزمه نمودن, پچ‌پچ کردن, نجوا کردن
2
to make a quiet continuous sound
زمزمه کردن, نجوا کردن
The wind murmured in the trees.
3
to complain about somebody/something, but not openly
شکایت خفیف کردن, غرغر کردن, زمزمه مخالفت کردن
The people murmured against the new regime.
noun
1
a quietly spoken word or words
زمزمه, پچ‌پچ, نجوا, صدای آهسته
2
a quiet expression of feeling
زمزمه, نجوا
a murmur of agreement/approval/complaint
He paid the extra cost without a murmur.
polite murmurings of gratitude
3
a low continuous sound in the background
زمزمه, همهمه
the distant murmur of traffic
4
a very quiet sound in the chest, usually a sign of damage or disease in the heart
سوفل قلبی, صدای غیرعادی قلب, صدای قلب غیر عادی
a heart murmur