Old English into, originally in to. The word is a late Old English development to replace the fading dative case inflections that formerly distinguished, for instance, "in the house" from "into the house." To be into something, "be intensely involved in," first recorded 1969 in American English.
实用例句
1. I have tried to pack a good deal into a few words.
我尽量言简意赅。来自柯林斯例句
2. The enquiry dug deeper into the alleged financial misdeeds of his government.
这一调查对其政府涉嫌的财政违规行为展开了进一步深究。来自柯林斯例句
3. The light went out, and the room was plunged into darkness.
灯熄了，屋里陷入一片漆黑。来自柯林斯例句
4. She reached into the wardrobe and extracted another tracksuit.
她伸手又从衣橱里取出一件运动服。来自柯林斯例句
5. Llewelyn was mounting the stairs up into the keep.
