Hang by a hair
千钧一发
🧩 词语组成解析
hang
[hæŋ]
vt. 悬挂;（被）绞死;贴，装饰;使悬而未决;
vi. 悬垂;被吊死;附属，依靠;悬而未决;
n. 悬挂的样子;（动作的）暂停;〈口〉大意，要点;〈口〉做法，诀窍;
by
[baɪ]
prep. 在…旁边;表示方式;由于;经过;
adv. 经过;表示保留或保存时用;短暂拜访;
hair
[hɛr]
n. 头发，毛发;（动、植物的）毛;一丝丝，些微;毛发织物;
🗣️ 情景例句
Robots can be used for many tasks which are considered too dangerous for people to do.
机器人能完成许多对人类来说是很危险的任务。
The shortest answer is doing.
最简短的回答就是做。
You must have been mad to speak to the servant! She might have called for help.
你准是疯了，竟跟这个仆人说话。她可能会大喊救命的。