half-mast /ˈhɑːfˈmɑːst;-ˈmæst/ n. | a. | vt.I n. 1. 离杆顶一半的地方 fly (或 hoist, hang) a flag at half-mast 降半旗 (以示哀悼) 2. 离顶部一半的地方 with one's trousers at half-mast 裤子穿了一半 The dog's tail was at half-mast. 狗的尾巴半翘着。 II a. 1. 离杆顶一半处的 2. 不到顶的 His eyes, usually half-mast, opened wide. 他那通常半开半闭的眼睛睁大了。 III vt. 降半(旗)