half hourEnglish → ChineseOxford English–Chinesehalf hour /BrE , AmE ˌhæf ˈaʊ(ə)r/ noun 1 (also half an hour) (30 minutes) 半小时 2 (half past) 半点钟; on the half hour 在半点钟; a half-hour lesson/shift 半小时的课程/轮班