To be sure
出国 Abroad诚然, 固然, 哎呀
🧩 词语组成解析
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
sure
[ʃʊr]
adj. 确信的，确实的;有把握的;无疑的;一定的;
adv. 当然;确实地;无疑地;
🗣️ 情景例句
His wife just found out about his mistress.
他的妻子刚刚发现了他有外遇。
We can't recall how often he's written.
我们记不起来他每隔多久写一封信。
Ironically, Europe, which had bequeathed the rabbit as a pest to Australia,
具有讽刺意味的是，欧洲把这种兔子作为有害动物传给澳洲，