how to use imagick annotateImage for chinese text?

I need to annotate an image with Chinese Text and I am using Imagick library right now.

An example of a Chinese Text is

这是中文

The Chinese Font file used is this

The file originally is named 华文黑体.ttf

it can also be found in Mac OSX under /Library/Font

I have renamed it to English STHeiTi.ttf make it easier to call the file in php code.

In particular the Imagick::annotateImage function

I also am using the answer from "How can I draw wrapped text using Imagick in PHP?".

The reason why I am using it is because it is successful for English text and application needs to annotate both English and Chinese, though not at the same time.

The problem is that when I run the annotateImage using Chinese text, I get annotation that looks like 罍

Code included here