应该是bored stiff,百无聊赖的意思。

以下是两个例句：

. A: Poor old Sid. Nothing to do but lie in bed and look at the four walls, he must be bored stiff.
可怜的老席德。只有躺在床上，看著四周的墙壁。他必定烦得身体僵直。嗯，我们来看看是不是能使他兴致高一点。

2. Delinda takes over for Ed and finds herself bored stiff after having to attend a city hall meeting while Sam and Mary take over surveillance.
艾德打算将酒店内员工的工作来个大兜乱，好让每位员工都有机会接触不同的部门，发掘大家的潜能。