on a knife-edge
US /ɒn ə naɪf-ɛdʒ/
UK /ɒn ə naɪf-ɛdʒ/
1.
岌岌可危, 處於危急關頭, 如履薄冰
in a difficult, dangerous, or uncertain situation
:
•
The negotiations were on a knife-edge for days.
談判多日來一直處於危急關頭。
•
The future of the company is currently on a knife-edge.
公司的未來目前岌岌可危。