向某人保证某事英文怎么说
时间：
"to promise someone something" 这个短语在英语中表示"向某人保证某事"。
来源：这个短语由两个单词组成，"promise" 和 "someone"，"promise" 是动词，意思是"保证"；"someone" 是代词，意思是"某人"。
例句：
I promise you that I'll be there on time. (我保证我会准时到。)
She promised her parents that she would study hard. (她向她的父母保证她会努力学习。)
He promised to call me later. (他保证稍后给我打电话。)
来源：这个短语由两个单词组成，"promise" 和 "someone"，"promise" 是动词，意思是"保证"；"someone" 是代词，意思是"某人"。
例句：
I promise you that I'll be there on time. (我保证我会准时到。)
She promised her parents that she would study hard. (她向她的父母保证她会努力学习。)
He promised to call me later. (他保证稍后给我打电话。)