There are four of us including my parents, a younger sister and me.
有四口人,父母亲、妹妹和我。
He that has a tongue in his head may find his way anywhere.
遇事多问,随处可行。
Even if one didn't know from concrete examples (the 1936 Olympic Games, for instance) that international sporting contests lead to orgies of hatred, one could deduce if from general principles.