The Vietnamese word "bọc hậu" refers to an action or strategy that involves attacking or engaging the enemy from the rear. It is often used in military contexts but can also apply to situations requiring a strategic advantage by approaching from behind rather than directly confronting from the front.
In more advanced contexts, "bọc hậu" can be used metaphorically to describe any scenario where someone takes a less direct route to achieve their goals or to surprise someone by coming from an unexpected angle. For example, in business negotiations, one might "bọc hậu" by introducing new ideas or proposals that catch the other party off guard.
In summary, "bọc hậu" is a versatile term that can be applied both literally in military contexts and metaphorically in everyday situations where strategic surprise is involved.