天性如此;生下就這樣
be / be born / be made that way
to behave or do things in a particular manner because it is part of your character
It's not his fault he's so pompous — he was born that way.他如此自命不凡並不是他的錯,他天生就是這種性格。
釋義來自《牛津高階英漢雙解詞典》第 9 版