Indefectible
a. 不敗的, 無瑕的
? 同義詞
??? 情景例句
A son and his wife and their three children--my grandchildren.
有個兒子， 還有兒媳婦以及他們的三個孩子，我的孫兒女們。
I can't imagine why.
我想不通為什么。
He seems a little nervous.
他顯得有點緊張。