Cold feet
害怕、胆怯
🧩 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;
feet
[[fi:t]]
pl. 脚\\nn. 尺
🗣️ 情景例句
I went back for it, but the ferry was gone.
等我回去找的时候 船已经开走了。
I'll probably wake up early and get up at 6:30.
我可能早醒并在6:30起床。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。