a. not expected or anticipated
a. 料想不到的, 突然的, 意外的
[法] 不能预料的, 意外的
1. The movie had an unexpected twist at the end.
这部电影在结尾有一个意想不到的转折。
2. She received an unexpected gift for her birthday.
她收到了一个意想不到的生日礼物。
3. The weather was unexpectedly warm for this time of year.
这个季节的天气意外地温暖。