Cold-call
（向潜在的主顾打的）冷不防电话；冷不防上门推销
🧩 词语组成解析
cold
[kold]
adj. 寒冷的;冷淡的，无情的;失去知觉的;[艺]有冷感的，冷色的;
n. 寒冷;感冒，伤风;
adv. 完全地;
call
[kɔl]
v. 呼唤，喊叫;召唤，叫来，召集;下令，命令;打电话给;
n. 喊叫，大声喊;电话联络;必要，理由;要求;
🗣️ 情景例句
and I stayed out an extra half hour.
我还特别多待了半个小时。
Your presence here will be of a great contribution to the Guangdong business community as a whole.
你们的建立对整个广东商界将是一个极大的贡献。
'Oh dear,' said the conductor suddenly.
“哎呀，”售票员突然说，