1. falling lightly (e.g. snow, petals, confetti), fluttering

noun or participle which takes the aux. verb suru adverb taking the 'to' particle onomatopoeic or mimetic word

2. flickering, twinkling, glimmering, sparkling, dazzling

adverb taking the 'to' particle noun or participle which takes the aux. verb suru onomatopoeic or mimetic word

3. appearing and disappearing, catching glimpses

noun or participle which takes the aux. verb suru adverb taking the 'to' particle onomatopoeic or mimetic word

4. glancing (repeatedly)

adverb taking the 'to' particle noun or participle which takes the aux. verb suru onomatopoeic or mimetic word

5. (hear, see) from time to time, intermittently

noun or participle which takes the aux. verb suru adverb taking the 'to' particle onomatopoeic or mimetic word