otherwise/'ʌðəwaɪz $ '-ðər-/

ad. used to say sth bad will happen if a particular thing is not done; or else

ad. 要不然，否则：Hurry up! Otherwise we'll be late. 快点，否则我们会迟到的。

◇Finish the task today; otherwise you will have no time to go camping this weekend. 今天完成这项工作；否则周末你就没时间去野营了。

常犯错误

✗ You should put on that coat otherwise you will catch a cold.

✓ You should put on that coat or you will catch a cold.

✓ You should put on that coat; otherwise you will catch a cold.

✓ You should put on that coat. Otherwise you will catch a cold. 你应穿上外衣，否则会感冒的。

[✌otherwise是副词，or是连词]