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. What do you think, Richard?
好。 你看呢 Richard？
During the two years since I took charge of the department.
在我负责这个部门的两年中。
that the traveller abroad thereby denies himself the opportunity of getting to know the people of the country visited.
说这种封闭的作法使到国外旅游者失去了了解所去国家人民的机会。