1 bad

2 harmful

3 unhealthy

1 good and honest

2 kindhearted

1 esteemed guest

2 honored guest

3 guest (on a show)

1 good

2 favorable

3 well

4 fine

1 conscience

1 long illness makes the patient into a good doctor (idiom)

1 to deserve praise for one's courage (idiom)

1 devoid of conscience (idiom); utterly heartless

1 to sit and waste a good opportunity (idiom); to lose the chance

1 to harbor evil intentions (idiom)