B-29:butter both sides of one's bread 左右逢源

A:May doesn't get along very well with her mother-in-law.

A：玫和她婆婆相处得不好。

B:Yeah. That's just what is troubling John.

B：是呀，那正是约翰心烦的事。

A:Poor John! He is buttering both sides of his bread.

A:可怜的约翰!他要两头做人。

B:This situation isn't easy to handle.

B:这可真不好办。