1 difficult to deal with

2 difficult to endure

3 ferocious

4 radical

5 serious

6 terrible

7 violent

8 tremendous

9 awesome

1 loud voice

2 in a loud voice

3 loudly

1 thoughts

2 feelings

3 aspirations

4 heartfelt wishes

5 inner voice

1 singing voice

2 fig. original voice of a poet

1 comic dialogue

2 sketch

3 crosstalk

1 not a word or movement (idiom); remaining calm and collected

2 not batting an eyelid

1 wordless and silent (idiom); without speaking

2 taciturn

1 lit. a boiling cauldron of voices (idiom)

2 hubbub

3 brouhaha

1 in a whisper

2 in a low voice (idiom)

1 to continue the struggle (idiom); to persist

2 unremitting efforts