tight rope

柯林斯词典

1. N-COUNT A tightrope is a tightly stretched piece of rope on which someone balances and performs tricks in a circus. (马戏团表演用的)绷索; 钢丝
2. N-COUNT You can use tightrope in expressions such as walk a tightrope and live on a tightrope to indicate that someone is in a difficult situation and has to be very careful about what they say or do. (走)钢丝; 比喻处境艰难，必须小心行事[usu sing]
The movie tries to walk a tightrope between drama and comedy but fails at both. 该电影试图在故事剧和喜剧间走钢丝，但却两头都不就。