there it is/there they are etcused when you have found something or someone that you are looking for 原来它/他们等在这儿 Have you seen my keys anywhere? Ah, there they are. 你见过我的钥匙吗?啊,在这儿。
There you are. I’ve been looking for you. 原来你在这儿,我一直在找你。
→ there it is/there they are etc at there2(SPOKEN SECT)