1 bitter cold

2 severe winter

1 strict

2 stringent

3 tight

4 rigorous

1 solemn

2 grave

3 serious

4 earnest

5 severe

1 grave

2 serious

3 severe

4 critical

1 dignity

2 sanctity

3 honor

4 majesty

1 left speechless by sth perfect (idiom)

1 don't let rhetoric spoil the message (idiom); don't get carried away with flowery speech to the detriment of what you want to say

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)