(=impact) effet m
effect on effet sur
→ the effect of divorce on children
to cause an effect produire un effet
→ Head injuries can cause long-lasting psychological effects.
to have an effect avoir un effet, produire un effet
to have an effect on sb avoir un effet sur qn, produire un effet sur qn
→ The austerity measures will have little immediate effect on the average Moroccan.
→ Did these changes have any effect on the child?
to have an effect on sth avoir un effet sur qch, produire un effet sur qch
→ The disaster has had a profound effect on the country's economy.
to take effect, to come into effect
[law, policy] entrer en vigueur, prendre effet
→ The tax cuts take effect on July 1st.
→ The law came into effect last year.
to take effect
[drug, anaesthetic] agir, faire son effet
→ The anaesthetic is taking effect now.
→ It will take a few minutes to take effect.
to put sth into effect, to bring sth into effect [+plan, idea] mettre qch en application, mettre qch à exécution
→ Signing the agreement was one thing, putting it into effect was another.
→ a decree bringing into effect the political reforms adopted last month
to good effect
(=successfully) avec succès
→ The museum is using advertising to good effect.
to no effect
(=unsuccessfully) en vain
→ Mr Charles complained, to no effect.