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 more (than sth else)

2 even more

1 third of the five night watch periods 23:00-01:00 (old)

2 midnight

3 also pr. [sān jīn]

1 in the depth of the night

2 very late at night

1 when it rains, it pours (idiom)

1 furthermore (idiom)

1 deep at night and all is quiet (idiom)

1 in the dead of night (idiom)

1 to stay up through the night (idiom)