稳步地，不懈地，不知疲倦地，辛勤地，勤勉地

1. steadily, unflaggingly, untiringly, laboriously, diligently

adverb taking the 'to' particle adverb (fukushi) onomatopoeic or mimetic word

敲击、轻敲、咔嗒声、击鼓声

2. knocking, tapping, clicking, drumming

adverb (fukushi) adverb taking the 'to' particle onomatopoeic or mimetic word