I started to wonder if...
我开始怀疑是否...
🧩 词语组成解析
v. 出发, 启程( start的过去式和过去分词 ); 起动; 提出（问题）; 开办
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;
wonder
['wʌndə]
adj. 奇妙的;钦佩的;远超过预期的;
n. 惊奇;奇观;奇人;奇迹;
vt. 对…感到好奇;惊奇;感到诧异;想弄明白;
vi. 怀疑，想知道;惊讶;
🗣️ 情景例句
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
I'm crazy about shooting.
我热衷于射击运动。
I was astonished.
我很吃惊。