two [different, opposite] sides of the same coin
切り離せない2つの問題[状況],表裏一体(のもの)
different in style
スタイルが違う
Different men, different ways.=((米略式))Different strokes for different folks.
十人十色
different people with the same name
同名異人
different styles of architecture
いろいろな様式の建築
different types of question
さまざまな種類の質問
differential [integral] calculus
微[積]分法
differentiate a star from a planet
恒星と惑星とを区別する
differentiate varieties of insect
昆虫の種類を見分ける
differently abled students
障害を持つ学生