- kotsukotsu steadily, unflaggingly, untiringly, laboriously, diligently; knocking, tapping, clicking, drumming
Used in informal or neutral contexts to describe persistent, steady effort or a repeated tapping/knocking sound; often heard in advice about work or study habits.
彼はコツコツ貯金している。
Kare wa kotsukotsu chokin shite iru.
He is saving money steadily.
ドアをコツコツと叩く音がした。
Doa o kotsukotsu to tataku oto ga shita.
There was a tapping sound on the door.
Press the microphone and say: コツコツ
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