In order to save the company, the CEO had to swallow his pride and ask for a loan.

swallow 本义是"吞咽"，这里用作动词表示"忍受、接受"。 his 是代词 he 的所有格形式，指"他的"。 pride 意思是"自尊、骄傲"。 swallow one's pride 是固定短语，字面意思是"吞下某人的骄傲"，引申为"放下自尊、忍辱负重"。