hang in the balance 未见分晓
例句： After the surgery, the patient became very sick and her life hung in the balance for nearly a week.
手术后，那个病人非常虚弱，将近一个星期他的生命在垂危中。
hang-up （情感上的）障碍, 大难题
例句： Mary has a real hang-up about cats and doesn’t like to be in the same room with them.
玛丽对猫有一种摆脱不掉的厌烦，因此不愿意和猫在同一个房间。
high and dry 被抛弃的，处于痛苦之中的
例句： George took all the money away and left his companions high and dry，with nothing to buy the tickets.
乔治带走了所有的钱，把他的同事抛弃了，连买车票的钱也没有。
high and low 到处
例句： I looked high and low for my pen，but I couldn’t find it anywhere.
我到处找我的钢笔，但我怎么也找不到它。
hit upon 偶然想出
例句： He crouched there for a long time before he hit upon a plan to defeat his antagonist.
他蹲在那里很长一段时间后，突然想出了一个挫败他对手的计划。
hit parade 流行歌曲排名
例句：Tom was overjoyed when his new song was named on the hit parade
on the local radio station.
当汤姆得知他的新歌被列入当地电台的流行歌曲榜时，他欣喜万分。
