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 Belgium

2 Belgian

3 abbr. for 比利時|比利时[Bǐ lì shí]

1 the Americas

2 abbr. for 美洲[Měi zhōu]

3 USA

4 abbr. for 美國|美国[Měi guó]

1 beautiful woman

1 things are very different now (idiom)

2 times have changed

1 inexpensive and of good quality (idiom)

1 to satisfy rival demands (idiom)

2 to get the best of both worlds

3 to have it both ways

4 to have one's cake and eat it too

1 complete and beautiful

2 to be perfect (idiom)

1 each goes his own way (idiom); each person has his own life to lead