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声をかける， 声を掛ける， こえをかける
1. to greet, to call out (to), to start talking (to)
2. to invite, to get in touch (with), to give a shout (to), to let (someone) know (one is in the area or has time to meet, etc.)
3. to cheer (on), to give vocal support (to)
问候，呼唤（某人），开始与（某人）交谈；邀请，联系，打声招呼，告知（某人自己正在附近或有时间见面等）；为……喝彩，为……声援