unprepossessing

He was forty - five years of age, of medium height, fairly thick - set, not at all unprepossessing.

他已经45岁, 中等身材, 矮矮胖胖的, 不完全是胸无城府的.

Though unprepossessing to look at, he is highly intelligent.

他虽然相貌平平，但却很有才气。