Example: 
Whenever I enter a church, <em>I take my hat off</em>.
Photo license: 
CC: Attribution, Commercial Use
Regionalism: 
Neutral
Regional variant: 
doffing your cap
Regional variant: 
British
Full Expression: 
Etiquette: I take my hat off
French
Add or change French Photo: 
No
Spanish
Add or change Spanish Photo: 
No
German
Add or change German Photo: 
No
Portuguese
Add or change Portuguese Photo: 
No

a man generally should take his hat off when he meets someone new or important, to show respect

Chinese
Add or change Chinese Photo: 
No
Italian
Add or change Italian Photo: 
No
Alsacien
Add or change Alsatian Photo: 
No