the four essential human freedoms as proclaimed in a speech to Congress by Franklin D. Roosevelt in 1941: freedom of speech and expression, freedom of worship, freedom from want, and freedom from fear
四大自由（富兰克林•德•罗斯福1941年国会演讲中宣布，即： 言论和表达自由、信仰自由、不虞匮乏的自由和避免恐惧的自由）
the four central beliefs containing the essence of Buddhist teaching
（佛教教义精华）四谛。 见 Buddhism
All four limbs of an animal or person
四肢：人或动物的四肢
a baby crawling on all fours.
一个匍匐爬行的婴儿