吉日的英文：
a day auspicious for some undertaking; an auspicious day

参考例句：

It's good to have one day a year which just belongs to you, so take this chance to enjoy yourself in everything you do.
可庆一年中有一天只属于你，愿你借良机趁吉日欢欢喜喜。

day是什么意思：
n. 一天；白昼，白天；工作日；时代，时期

Things go on day by day.
事情逐日进行着。

Day by day the situation is improving.
情况在一天天地好转。

Like this, day after day.
就这样，日复一日。

auspicious是什么意思：
adj. 吉利的

Such beautiful and auspicious tunes help to account for the popularity of this instrument.
它的广泛流传，更得益于那如此美妙、吉祥的曲名。

Pray receive my sincerest congratulations on this auspicious day.
谨祝千秋令旦。

The proportion of patterns with auspicious meaning increased during the period.
吉祥图案占有越来越大的比重。

some是什么意思：
adj. 一些的，若干的
adv. 非常；大约
pron. 有些人，有的东西

Some were employers, some employees, some masters, some handymen
有的是老板，有的是伙计，有的是业主，有的是干零活的。

Would you like some leg or some breast ?
你要腿肉还是胸脯肉?

It was some foul parody, some infamous ignoble satire.
这是一个卑劣的讽刺，一个鄙俗、邪恶的嘲弄。