1 rapid

2 quick

3 speed

4 rate

5 soon

6 almost

7 to make haste

8 clever

9 sharp (of knives or wits)

10 forthright

11 plainspoken

12 gratified

13 pleased

14 pleasant

1 happy

2 merry

1 as quickly as possible

2 as soon as possible

3 with all speed

1 to accelerate

2 to speed up

1 to run

1 to have to pour out what's on one's mind (idiom)

1 Easy come, easy go. (idiom)

1 joy of first experience (idiom)

2 the pleasure of reading sth for the first time

1 lit. you can't expect the horse to run fast but not let it graze (idiom)

2 fig. you can't have your cake and eat it, too

1 outspoken and frank (idiom)