at half mast的用法和樣例：
例句
- All the flags were at half-mast when the king died.
國王駕崩，全國都下半旗誌哀。 - The national flag flew at half-mast in mourning in the centre of Tian An Men Square.
天安門廣場下半旗致哀。
辭彙搭配
- hang the flag at half-mast 下半旗(表示哀悼)...
- fly the flag at half-mast 下半旗(表示哀悼)...
- hoist the flag at half-mast 下半旗(表示哀悼)...
