without naturally raised curves (= arches) under the feet
not prepared for what is going to happen
Ví dụ:
- They were caught flat-footed by the attack.
bàn chân phẳng
/ˌflæt ˈfʊtɪd//ˌflæt ˈfʊtɪd/without naturally raised curves (= arches) under the feet
not prepared for what is going to happen