Cách sử dụng
"Let in on" refers to sharing or revealing information with someone who was previously unaware of it. It can be used in a variety of situations, such as telling someone a secret, informing someone of a plan, or filling someone in on details they missed. For example, "I'm going to let you in on a little secret" means that the speaker is going to share confidential information with the listener. It's important to note that "let in on" is usually used in informal or conversational settings, and may not be appropriate for more formal or professional situations.