tie his up in knots

• vi. 陷于困境

例句

用作不及物动词 (vi.)

1. The decline in sales embarrassed our company.
   销售下降使我们公司陷于困境。
2. Mr Green was on the spot because he lost his way in the forest.
   格林先生由于在森林中迷失了方向而陷于困境。