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first meeting; first interview with
初対面の人と話すのは緊張する。
I get nervous talking to people I meet for the first time.
初対面なのに昔からの友達のように話せた。
Even though it was our first meeting, we talked like old friends.
初対面の印象は大切だとよく言われる。
It's often said that first impressions are important.