题目内容：

Courageously he went on alone because he needed to know for himself:
for himself:意思

优质解答

他勇敢地继续独自前行/前进,因为他需要亲身去了解/知道...
for oneself有两种含义,一是“为自己”,二是“自己/亲自/独自”.
此句应该翻译为“自己/亲自/亲身”最合适.