动词千钧一发
1. 千钧一发：tea garden (公园等处的)茶室, 茶叶种植场 | hang by a hair 千钧一发 | rotating member 回转件
2. 千钧一发;岌岌可危：hair in one's neck 麻煩事 | hang by a hair 千鈞一發;岌岌可危 | keep one's hair/wool on 保持冷靜;不發脾氣
3. 千钧一发;岌岌可危;摇摇欲坠：2、Hair头发 | (1)Hang by a hair千钧一发;岌岌可危;摇摇欲坠. | (2)Take a hair of the dog that bit you.以毒攻毒
hang by a hair什么意思
1. Be in grave danger; at a crucial moment; by the skin of one's teeth; hang on by the eyelids; in a most dangerous condition; in an emergency; close call; a hundredweight hanging by a hair; be in an extremely critical situation
成语钧：古时的计量单位；以三十斤为一钧。一根头发上拴着千钧重物。形容万分危急的情形。例句在这～之际；他挺身而出；用年轻的生命保护了国家财产。
verb
1. depend on a small thing or be at risk
e.g. His life now hangs by a thread
Synonym: hang by a thread