to say something unintentionally
不小心说出来 (bu xiao xin shuo chu lai)
"The secret just slipped out during the chat."
"那个秘密在聊天时不小心泄露了。" (na ge mimi zai liaotian shi **bu xiao xin xielu le**.)
to become so excited that you lose control of your feelings
to respond slowly compared to expected speed
to succeed in doing something difficult
to enroll or participate in a collective action
to spend time with someone socially
to invite someone to come to your place