形容词

1. The war was both costly and unpopular.
这场战争既费钱又不得人心。

1. 不受欢迎的：unpolished manners 粗鲁的态度 | unpopular 不受欢迎的 | unpopular child 不受欢迎儿童

2. 不通俗的,不推广的：popularization 普及,推广,通俗化 | unpopular 不通俗的,不推广的 | populace 平民,大众

3. 不受欢迎：taste有......味道 | unpopular不受欢迎 | silly傻的

1. 没有人缘的；不受欢迎的；不得人心的
If something or someone is unpopular, most people do not like them.

e.g. It was a painful and unpopular decision...
那是一个痛苦又不得人心的决定。
e.g. In high school, I was very unpopular, and I did encounter a little prejudice...
上中学的时候，我很不受欢迎，确实受到了一些歧视。

adj

1. regarded with disfavor or lacking general approval

e.g. unpopular ideas
an unpopular war