Cách sử dụng
The expression "walk/tread a fine/thin line" means to be in a situation where you have to balance between two different things that may be difficult or even dangerous. This can be used when someone is trying to avoid making a mistake or upsetting someone, while still trying to achieve a particular goal. For example, a politician might have to walk a fine line between pleasing two different groups of people with conflicting interests, or a worker might have to tread a thin line between providing good customer service and following company policies. Essentially, it means to proceed carefully and judiciously, with a keen awareness of the risks and benefits of each decision, in order to avoid negative consequences.