English → French
observation /BrE ɒbzəˈveɪʃ(ə)n 
, AmE ˌɑbzərˈveɪʃ(ə)n /
noun
1 observation f (of de)
to be under observation (in hospital) être en observation
to keep sb/sth under observation (general) surveiller qn/qch
powers of observation dons mpl
clinical/scientific observations observations cliniques/scientifiques
2 (remark) remarque f (about, on sur); (critical) observation f (about, on sur)
to make an observation faire une remarque
to make the observation that … faire observer que …