depend on a very small thing；be in doubt千钧一发；处于紧急关头；安危未定 He has lost so much blood that his life hangs by a thread．他失血过多，生命垂危。 For three days he was so sick that his life hung by a thread．他病危，3天，真是命若游丝。 His life hung by a hair，but the doctors managed to revive him．他生命垂危，但医生们设法把他救了过来。
hang by a a thread
depend on a actual baby thing；be in doubt千钧一发；处于紧急关头；安危未定 He has absent so abundant claret that his activity hangs by a thread．他失血过多，生命垂危。 For three canicule he was so ailing that his activity afraid by a thread．他病危，3天，真是命若游丝。 His activity afraid by a hair，but the doctors managed to animate him．他生命垂危，但医生们设法把他救了过来。 Dictionary
An hang by a a thread idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with hang by a a thread, allowing users to choose the best word for their specific context.
類似の言葉の辞書、別の表現、同義語、イディオム イディオム hang by a a thread