Knock-back
（尤指被人拒绝时受到的）挫折, 挫伤, 打击
🧩 词语组成解析
knock
[nɑk]
n. 短促的敲打（声）;爆震声;敲击声;敲门（或窗等）声;
vi. 猛烈敲击;与某物相撞;撞到了桌子;
vt. （心）怦怦跳;把…撞击成（某种状态）;批评;
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
Good. How much is the fare?
好。车费多少？
They jumped at the unexpected noise.
他们因突如其来的声音吓得跳了起来。
They had become the victims of commercialization, for their names had acquired a market value.
他们成了商业化的受害者，因为他们的名字具有了市场价值。