Tìm kiếm
Chọn ngôn ngữ của từ điển
fly on the wall
01
someone who watches or listens to everything that is happening without anyone noticing their presence
Idiom
Informal
Các ví dụ
I wish I could be a fly on the wall during the high-stakes meeting to understand the decision-making process.
Being a fly on the wall in the family discussion would reveal the dynamics behind their recent conflicts.
