用作副词 (adv.)
He should have been working, but he was otherwise engaged.
他应该在工作,可他却干别的事。
She is not very clever, but otherwise she's a nice girl.
她并不聪明,但在其他方面,她倒是个好姑娘。
ADV 否则;不然 You use otherwise after stating a situation or fact, in order to say what the result or consequence would be if this situation or fact was not the case.
Make a note of the questions you want to ask. You will invariably forget some of them otherwise...
把想提的问题记下来,否则总是会漏掉其中的一些。
I'm lucky that I'm interested in school work, otherwise I'd go mad.
我很庆幸自己对学习怀有兴趣,不然我会疯掉的。
...men who want to provide positive role models for kids who might otherwise be out on the streets.
想为那些可能会流落街头的孩子树立榜样的人
而这里的otherwise是作为副词的 所以,两个句子之间不用句号就要用分号。
当然,otherwise也可以当连词