April Fool's Day is on April 1.
愚人节在四月一号。
The wedding ceremony was held on April fifteenth.
婚礼在四月十五日举行。
The contract terminates in April.
这契约在四月终止[期间]。
All the eggs laid before the middle of April hatched in early late ten days of April.
四月中旬之前所产卵在四月下旬初全部孵化。
Shipment is to be made during April to June in three equal lots.
货在四月至六月，分三批均装发运。
Mary's birthday is on the 4th day of the 4th month,
玛丽的生日是在四月四号。
The cherry blossoms come out in early April in Japan.
在日本，樱花在四月初开花。
Logged30, 000 air miles in April.
四月在空中飞行30，000英里
February, March, April,
二月、三月、四月、
fourthly, you must pay the rent on the first of the month.
第四，你必须在每月的月初付租金。
Dog-sledge riding is best in March and April.
狗拉雪橇的最好季节是在三月和四月。
We lived there from April to August.
我们从四月到八月生活在那里。
Thanksgiving Day is on the 4th Thursday in November.
感恩节在每年十一月的第四个星期四。
This celebration took place on the fourth Sunday in Lent, usually in March or early April.
这个庆典在四旬斋的第四个星期天，通常是在三月或者四月里。
the fourth sign of the zodiac; the sun is in this sign from June 21 to July 22.
黄道带上第四宫；太阳月日至月日在此区域。
sings a song at midsummer, and then goes away.
布谷鸟，四月来，五月在，仲夏唱支歌，然后就飞开。
March and April,1941, PREFACE
（一九四一年三月、四月）序
And, again, we pided our forces in the counties of southern Kiangsi last April and May, and in the counties of western Fukien last July.
又如去年四月至五月在赣南各县的分兵，七月在闽西各县的分兵。