A figure of fun = someone who people laugh at
(دلقک؛ کسی که باعث خنده ی دیگران میشود)
Beggars can't be choosers = it means that if you can not have what you want, then you should accept whatever you are given without complaining
(آدمی که حق انتخاب ندارد)
Be on the safe side = to do something especially carefully in order to avoid an unpleasant situation
(جانب احتیاط را رعایت کردن)