Cách sử dụng
"Be on edge" means to feel nervous, anxious or tense. You can use this expression when you are in a stressful or uncertain situation that makes you feel on edge. For example, if you are waiting for an important exam result, you may feel on edge until you get the result. Or if you are walking alone in a dark alley, you may feel on edge because you are scared of what might happen. It typically refers to a feeling of discomfort, fear or tension that makes you uneasy.