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
They gave a banquet in honor of the delegation.
他们设宴招待代表团。
A good book is a best friend who never turns his back upon us.
一本好书，莫逆之交。
I really can't agree with you. I prefer science.
我真的不能同意你的看法。我更喜欢自然科学。