hang by a threadDANGEROUSif something is hanging by a thread, it is in a very dangerous situation and may not continue 千钧一发；岌岌可危 He is still in hospital, his life hanging by a thread. 他仍在医院里，命悬一线。
hang by a thread• Ed was just hanging by a thread.• Liputin's teeth are by no means the only things that hang by a thread.• His job is hanging by a thread, as it is.• Hopes of a title hat-trick hang by a thread, but all is not quite lost.
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