to join someone’s online activity or conversation uninvited
未经邀请加入别人的在线活动或对话 (weijing yaoqing jiaru bieren de zaixian huodong huo duihua)
"He just tagged along in our group chat without asking."
"他没有问就加入了我们的群聊。" (ta meiyou wen jiu jiaru le women de qunliao)
when you can almost remember something but not quite
a subject of disagreement or dispute
to work extremely hard
used to say that someone must accept your rules or leave
to achieve great fame or success
acting legally; not breaking any laws
