half cock

1 position of the hammer of a gun when pulled half-way back （枪的）半击发状态（击锤向後拉到行程一半的位置上）. 2 (idm 习语) go off at half `cock (of an event) fail because of being only half ready or badly prepared （指事情）因时机不成熟或未做好准备而未成功.

hair-stylist, hair-trigger, hairbrush, haircloth, haircut, hairdress, hairdresser, hairdressing, hairiness, hairless, hairpin, hairspring, hairy, hake, halal, halal (also hallal), halcyon, hale, half, half board, half holiday, half moon, half nelson, half pay, half-and-half, half-back, half-baked, half-brother, half-caste (also half-breed), half-crazed, half-crown, half-dozen, half-hardy, half-hearted, half-heartedly, half-hourly, half-length, half-life, half-light, half-listen,