My master ordered me not to deliver the message except in private.

主人命令我不能传送信息，除非在私下里。

《柯林斯英汉双解大词典》

My master was not kind to me.

我的主人对我不好。

youdao

My master had two horses.

我的主人有两匹马。

youdao

Right now I'm finishing up my master's degree, and I applied knowing what the market was out there for Ph.

NPR: Ask Amy: Responding to the Thin Envelope

So for depending on the job I'm applying for now is I will -- I will be -- I'll remove my master's degree from the resume.

CNN: Transcript of June 'CNN Money Summit: Money & Main St.'

He did double duty around the house when I went back to school to get my master's degree, watched nervously as I took a ride on a Harley and silently cringed when I insisted on going parasailing.

NPR: Live Your Life So That You Will Have No Regrets