| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | whistle | Vietnam | Whistling at night is believed to attract ghosts or evil spirits in some traditional beliefs. | 1 |
| 2 | whistling | Vietnam | Whistling at night is considered to attract ghosts or bad luck and should be avoided. | 1 |
| 3 | whistling | Vietnam | Believed to call evil spirits and bring bad luck | 1 |