例句：
The appropriate word eluded him.
他想不起來(lái)那個(gè)合適的詞。
What's the meaning of this word?
這個(gè)單詞的`意思是什么？
The first word begins with an F.
第一個(gè)詞以F開(kāi)頭。
It's not a word in common usage.
這不是一個(gè)常用詞。
I didn't believe a word she said.
她說(shuō)的話我一句都不信。