I don't have much contact with my uncle.
我和叔父甚少聯系。
He was unable to contact Blake by radio.
他未能通過無線電和布萊克取得聯系。
Can you suggest how I might contact him?
我怎么才能聯系上他，你能出個主意嗎？
I've been trying to contact you all day.
我整天一直在設法與你聯系。
How did you make contact with the author?
你怎么跟這位作者聯系的？