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

1.
如履薄冰, 走钢丝
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.
公司在财务上如履薄冰,试图避免破产。
•
As a diplomat, he often has to walk a tightrope between conflicting interests.
作为一名外交官,他经常不得不在相互冲突的利益之间走钢丝。