walk/tread a tightrope

US /wɔːk/tred ə ˈtaɪtroʊp/
UK /wɔːk/tred ə ˈtaɪtroʊp/
"walk/tread a tightrope" picture
1.

綱渡りをする, 危険な状況にある

to be in a difficult situation where a small mistake could have serious consequences

:
The government is walking a tightrope between economic growth and environmental protection.
政府は経済成長と環境保護の間で綱渡りをしている
As a diplomat, he often has to tread a tightrope in international negotiations.
外交官として、彼は国際交渉でしばしば綱渡りをしなければならない