1. slowly (but steadily), gradually, bit-by-bit

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

2. irritatedly, impatiently

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

3. scorchingly (of the sun)

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

4. sizzling (i.e. sound of frying in oil)

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

5. sound of a warning bell, alarm clock, etc.

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

6. oozing out (oil, sweat, etc.), seeping out

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