他正在用双手系绳子。

His hands are ___tying the rope.

比赛还剩五分钟时，双方球队仍然打平。

With five minutes left in the game, both teams are still ___tied.

这些严格的规定限制了我们在项目上的选择。

The strict rules are ___tying our hands on the project options.