sibling Sibling can be either brother or sister. Sister is referring to a female sibling while brother is referring to a male sibling. For example, if you have a brother and a sister you can say "these are my siblings" or "this is my brother and sister" 的同义词
You would not address your sibling as "brother" or "sister" (but you could use "brother" or "sister" as a term of endearment toward a friend). You could address your sibling as "bro" or "sis" but it's not very common. When these terms are used, it's usually said like "How are you doing lil sis?" (meaning "How are you doing little sister?"). Bro is a common term of endearment used to refer to a ...
Do you have any siblings? Yes, I have (brother and sister)/ No I don’t have/ No, I'm an only child/ 这个在 中文 (简体) 里怎么说？
Do you have any siblings? Yes, I have (brother and sister ... - HiNative
Most people say "older brother" (not "old brother"); "big brother" is more commonly said by little kids. (However, it's not uncommon for older kids to refer to their younger brother/sister as their "little brother/sister") While it is true that people normally just call their siblings "brother" or "sister", phrases like "older brother" and "little sister" are used fairly often, especially when ...
If you're female, your older sister's husband is your 형부兄夫. If you're male, your wife's younger brother is your 처남妻男. If your wife's older brother is younger than you, he's also 처남. If your wife's older brother is older than you, you should call him 형님. If you're female, your husband's sister is your 시누이.