have a thing about
对…….反应强烈（喜欢或不喜欢）
A：My grandfather has a thing about men with long hair.
B：Why?
A：He says it’s something like a rascal.
B：Well, tell him not to judge people by their looks.
A：我爷爷非常反对男人留长发。
B：为什么？
A：他说那有点儿像流氓。
B：嗯，告诉他不要以貌取人。
