1 to restore

2 to renovate

3 restoration

4 (computing) to fix (a bug)

1 grave

2 serious

3 severe

4 critical

1 to reply

2 to recover

3 to return (to a previous condition)

4 Re: in reply to (email)

1 to return to old ways (a Confucian aspiration)

2 to turn back the clock

3 neoclassical school during Tang and Song associated with classical writing 古文

4 retro (fashion style based on nostalgia, esp. for 1960s)

1 to review

2 revision

3 classifier: 次 cì

1 a new year begins (idiom)

1 restrain yourself and return to the rites (idiom, from Analects); to subdue self and observe proprieties

2 (any number of possible translations)

1 to be strict with oneself (idiom)

2 to demand a lot of oneself

1 to be severe with oneself and lenient with others (idiom)

1 to punish severely (idiom)