Fram 1938 oþ 1940, worhte hē swā Professor þǣre Stǣre æt þǣm Hēahleornungstede Guangsī, and swā Professor Stǣre, ēac æt ahleornungstede Sun Yatsen, of 1941 tō 1942. Fram 1943 oþ 1953, worhte hē swā Professor þǣre Stǣre æt þǣm Hēahleornungstede Guangsī, and swā Professor Stǣre, ēac æt normal ahleornungstede Guangsī, of 1954 tō 1982.