1 four

2 4

1 next in sequence

2 second

3 the second (day, time etc)

4 secondary

5 vice-

6 sub-

7 infra-

8 inferior quality

9 substandard

10 order

11 sequence

12 hypo- (chemistry)

13 classifier for enumerated events: time

1 one-off (offer)

2 one-time

3 single-use

4 disposable (goods)

1 person-times

2 visits

3 classifier for number of people participating

1 this

2 the present (meeting etc)

3 this time

4 this once

1 over and over again (idiom)

1 to take sth as a lesson for next time (idiom)

2 once bitten, twice shy

1 to disseminate in every direction (idiom)

1 danger lurks on every side (idiom)

1 to become known far and wide (idiom)

2 famous