Creed

belief system, ethos

• no matter what race or creed (= religious belief).-croyance

• their creed of self-help (= principles).- philosophie

In the line of duty

while doing a job. 

• The fireman was injured in the line of duty -  dans l'exercice de leurs fonctions, en service

Thanks Charlie!

Drawing by Lucille Clerc.
Free speech  is the way ideas are tested, in contrast to orthodoxy being owned by the most powerful trying to impose their ways of thinking.  
Without freedom to challenge orthodoxy, any other freedoms will not last long...

banger

His car's an old banger:
Sa voiture est un vieux tacot, vieille bagnole

Bangers and mash:  
les saucisses à la purée