chii-chii
The tiny, high-pitched cry of a very small creature — a baby bird in the nest begging for food, or a mouse squeaking softly. Sounds even smaller and more helpless than chun-chun.
💡Finding a nest of baby birds — 'The hatchlings were crying chii-chii with their mouths wide open.'
巣の中でひな鳥がちいちい鳴いていた。
The baby birds were crying chii-chii in the nest.
The tiny baby birds cried ___ whenever their mother returned to the nest.
親鳥が巣に戻るたびに、小さなひな鳥が○○と鳴いた。