have not a dry thread on

例句：

1. 1. We need to have a dry thread on when we're discussing the budget.
   当我们讨论预算时，我们需要有一条干燥的线。
2. 2. The old man had no dry thread on, so he had to borrow money from his son.
   老人没有一条干燥的线，所以他不得不向儿子借钱。
3. 3.The car was in desperate need of a tune-up, but there was no dry thread on to fix it.
   这辆车急需保养，但没有一条干燥的线来修理它。