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 hold fast to

2 to stick to

1 to guard

2 to defend

3 to keep watch

4 to abide by the law

5 to observe (rules or ritual)

6 nearby

7 adjoining

1 to wait for

2 to expect

3 to keep watch

4 to watch over

5 to nurse

1 (idiom) to continue in the same old rut

2 diehard conservative attitudes

1 hidebound by convention (idiom)

1 lit. to guard one's mouth like a closed bottle (idiom); tight-lipped

2 reticent

3 not breathing a word

1 duty to defend the country (idiom)

1 to keep watch and defend one another (idiom, from Mencius); to join forces to defend against external aggressors

2 mutual help and protection