I'm not really sure.
我不太清楚。
瘋狂英語精華演講卡 口語要素（一）

?? 句中詞匯解析

從本句中提取的重要詞匯

really ['ri?l?] 詞頻1
adv. 真，真正;實(shí)在，果真;實(shí)際上;事實(shí)上;
?? real真實(shí)的+ly表副詞 →真正地
"Tom was really hungry and ate up everything served."
湯姆確實(shí)餓壞了,把端到桌上的東西吃得精光.
近義：honestly, indeed, just, authentically, particularly, properly 反義：hypocritically, insincerely, lyingly, meretriciously, misleadingly, untruthfully
sure [??r] 詞頻1
adj. 確信的，確實(shí)的;有把握的;無疑的;一定的; adv. 當(dāng)然;確實(shí)地;無疑地;
"Make sure the shelf is aligned with the top of the cupboard."
務(wù)必使擱架與櫥柜頂端對齊。
近義：inarguable, incontestable, incontrovertible, indefectible, indisputable, indubitable 反義：hesitant, hesitative, imprecise, improbable, inconclusive, indecisive

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