The doctor found a tumor in the patient's PA.

医生发现这位患者的肺动脉上有肿瘤。

My PA will be in charge of my schedule arrangement.

我的私人助理会全权负责我的日程安排。

The PA will take me to the waiting room to wait.

这位医生助理将我带去候诊室等待。

Pa, I wish you wouldn't shout.

爸，我但愿你不要嚷嚷了。

I used to know your pa.

我过去跟你爸爸很熟。

After breakfast the next morning, Pa and Ma packed the wagon.

第二天吃过早饭之后，爸爸和妈妈收拾好马车。

At night, the top bed would be put in the front of the wagon for Pa and Ma to sleep in.

晚上，最上面的那张床会放在马车的前面供爸爸和妈妈睡在上面。

She's the Managing Director's PA.

她是总经理的私人助理。