"Sister-in-law" means sister-in-law, also called aunt. In some areas, it generally refers to the wife of a younger brother or the wife of a brother who has a very good relationship with him. "Sister-in-law" and "sister-in-law" basically have the same meaning, but in some contexts "sister-in-law" can also mean "brother and sister". The word "siblings" refers to a person's younger brother and sister. In the family, brothers and sisters are close partners, supporting each other, taking care of each other and spending all kinds of challenges and difficulties in life together.
The expression of the word "sister in law"
1. In some areas, it generally refers to the wife of a younger brother, or the wife of a brother who has a particularly good relationship with him (younger than himself, of course, otherwise it is called a sister-in-law), that is, a sister-in-law. Sister-in-law and sister-in-law basically mean the same thing, but in some contexts, "sister-in-law" can mean "younger brother and sister", for example, "I have parents over 60 years old, and I have a minor sister-in-law ..." This is the difference between sister-in-law and sister-in-law.
2, sometimes it can also be used as the title of a colleague's wife (of course, the premise is that the colleague is younger than himself), which can respect people and avoid the embarrassment of the relationship between friends and colleagues.
3. Generally, you can refer to the name of a friend, girlfriend or wife who is younger than yourself. Generally, there are many northerners, and you can see that many northerners call them very boldly.