tightrope /ˈtaɪtˌrəʊp/

• 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]

  例：

  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。