1) I know him of old.
我早就认识他。
2) I know him.
我认识他。
4) We've known each other since we were children.
我们从小就认识.
5) He has known her from a child (=since childhood).
他从小就认识她。
6) I scarcely know him.
我简直不认识他。
补充资料：我们
1.代词。称包括自己在内的若干人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条