B-45: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:梅与她婆婆相处得不好。
B:Yeah. Her husband is buttering his bread on both sides.
B:嗯,可她丈夫一直左右逢源。
A:This situation isn't easy to handle.
A:这对他也真不容易。
B:Sure.
B:是啊!