The Vietnamese word "nhấm nhẳng" describes a behavior or attitude of being indecisive, inconsistent, or wavering between choices. It can be likened to the English expression "blow hot and cold," indicating someone who frequently changes their mind or can't make a firm decision.
In summary, "nhấm nhẳng" is a useful word to describe someone who is indecisive or inconsistent. It is often used to encourage someone to make a firm decision and stick to it.