on all fours 用手和脚在地上爬;匍匐着
The baby crawled around the floor on all fours.
那个婴儿在地板上到处乱爬。
on all fours with (常用于否定句)与……完全相等/完全一致
This simile is not on all fours with the thing that is is supposed to illustrate.
这个比喻同那个要说明的事物不大贴切。
the four cornors of the country / the world 全国/世界各地
He has been to the four corners of the earth to widen his experience of life.
它曾走遍天涯海角来扩大他对人生的阅历。
the fourth dimension 第四维(在相对论中指时间);日常经验之外的境界;虚无之境
It seems to me he is living in the fourth dimension.
我感觉他生活在第四度空间中[即生活在幻想中]。
four-eyes 四眼佬(指戴眼镜的人)
Hey, four-eyes, get over here.
嗨,四眼佬,到这边来。
Four eyes see more than two. [谚]两人总比一人想得周到。/三个臭皮匠赛过诸葛亮
You'd better ask your brother what he thinks of the new car. Four eyes see more than two.
你最好问问你兄弟他对这部新汽车的看法如何,两人总比一人想得周到。