吉凶的英文：
good or ill luck

参考例句：

To predict the good or evil
吉候吉凶

Read(sb's fortune in)the cards
解(某人吉凶的)纸牌含义

Toad was quite alarmed at this very serious and portentous style of greeting
癞哈蟆对这种异常严肃而又吉凶莫测的欢迎方式感到忐忑不安。

good是什么意思：
adj. 好的；令人满意的；愉快的；仁慈的
n. 好处；利益；有道德的人或事
adv. 好

A good appetite is a good sauce
饥不择食

The prompt goods have good qualities.
当场付款的物品质量不错。

Be not simply good; be good for something.
不要单纯做个好人，还要做个能派上用场的人。

ill是什么意思：
n. 疾病，坏事
adj. 生病的，邪恶的，不顺利的
adv. 有害地，不幸地

Many people are immobilized by the illness.
许多患上这种病的人都瘫痪了。

It becomes ill you to do so.
你这样做是挺不合适的。

They bear you no ill will.
他们对你并无恶意。

luck是什么意思：
n. 运气；机遇；命运
v. 交好运；侥幸成功

He has had the luck to succeed.
他抓住机遇，成功了。

one's luck is in
[口]走运，交好运

Maybe you'll have luck.
也许你会碰到好运。