1 to change or replace

2 to experience

3 one of the five two-hour periods into which the night was formerly divided

4 watch (e.g. of a sentry or guard)

1 to replace the old with new

2 to renew

3 to renovate

4 to upgrade

5 to update

6 to regenerate

1 to replace

2 to take the place of

1 more (than sth else)

2 even more

1 menopause

2 andropause

1 to assume sb's name and take his place (idiom); to impersonate

2 to pose under a false name

1 to do everything oneself (idiom); not to allow others in on the act

1 when it rains, it pours (idiom)

1 furthermore (idiom)

1 deep at night and all is quiet (idiom)