walk a tightrope
US /wɔk ə ˈtaɪt.roʊp/
UK /wɔk ə ˈtaɪt.roʊp/

1.
如履薄冰, 走鋼絲
to be in a difficult situation where a small mistake could have serious consequences
:
•
The company is walking a tightrope financially, trying to avoid bankruptcy.
公司在財務上如履薄冰,試圖避免破產。
•
As a diplomat, he often has to walk a tightrope between conflicting interests.
作為一名外交官,他經常不得不在相互衝突的利益之間走鋼絲。