flat-footed
adjective /ˌflæt ˈfʊtɪd/
/ˌflæt ˈfʊtɪd/
- without naturally raised curves (= arches) under the feet
平足的;扁平足的 - (especially North American English) not prepared for what is going to happen
无准备的 - They were caught flat-footed by the attack.
他们冷不防遭到了攻击。
- They were caught flat-footed by the attack.