to tell someone our name so they can know us, or to tell them someone else's name so they can know each other, normally happening in the first meeting
介绍, 引见
to make someone familiar with a person or thing by introducing or providing information about them
使熟悉, 介绍
to come together as previously scheduled for social interaction or a prearranged purpose
见面, 碰面
to come across or meet someone or something, often unexpectedly or by accident
遭遇, 遇到
to visit a place or someone without a prior arrangement, often casually and briefly
顺便拜访, 造访
to return a phone call or contact someone again when the first attempt to communicate was missed or unsuccessful
回电话, 再打电话
to enter a telephone number using a rotary or keypad on a telephone or mobile device in order to make a call
拨打, 拨号
to contact someone again later to provide a response or reply, often after taking time to consider or research the matter
再联系, 回联系
to signal someone, typically by using an intercom, to gain attention or request entry
按铃, 通知