因 ㄧㄣ yīn 噎 ㄧㄝ yē 废 ㄈㄟ ˋ fèi 食 ㄕ ˊ shí 因 ㄧㄣ yīn 噎 ㄧㄝ yē 廢 ㄈㄟ ˋ fèi 食 ㄕ ˊ shí lit. not eating for fear of choking (idiom); fig. to cut off one's nose to spite one's face to avoid sth essential because of a slight risk