?? 詞語組成解析
(vanguard 的復數) n. 前鋒, 先鋒, 先驅
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
??? 情景例句
I continued to teach piano lessons at home.
我繼續在家教鋼琴。
No, Jack. You must go on.
不行，杰克。你必須繼續下去。
Things were clear now.
事情現在清楚了。