1.each other 彼此,互相
They bounced their ideas off each other.
他們相互交換彼此的想法。
They swaggered down the street, hooking on each other.
他們互相挽著手臂大搖大擺地沿著大街走去。
2.come to v. 想起;共計
As he came to a bridge, he heard a truck approaching.
在他來到一座橋頭時,他聽見一輛卡車駛來。
In a few minutes he suddenly came to.
過了一會兒他突然蘇醒過來。