half mast
noun
1- the position of a flag which is being flown some way below the top of its staff as a mark of respect for a person who has died（下半旗时旗帜升至的）半杆高处：
each club flew its flag at half mast.
每个俱乐部都下了半旗。
1.1
- chiefly humorous a position lower than normal or acceptable, especially for clothes〈主幽默〉（尤指衣饰）低于正常高度的位置, 半吊着的位置：
his tie was at half mast.
他的领带只拉上了一半。