yī fān fēng shùn
一帆風順
plain or smooth sailing; successful career

èr lóng téng fēi
二龍騰飛
literally, two dragons fly about; figuratively, have a rapid development

sān yāng kāi tài
三陽開泰
(used on New Year's Eve to wish a good year to come) with three yang (i.e. the coming of the spring) begins prosperity – the New Year ushers in good fortune

sì jì píng ān
四季平安
All is well throughout the year.

wǔ fú lín mén
五福臨門
wish somebody the Five Blessings
Note: According to the ancient Chinese classic, "The Book of History," there are Five Blessings, also known as the Five Happinesses or Five Good Fortunes. They are: longevity (cháng shòu 長壽), wealth (fù guì 富貴), health and composure (kāng níng 康寧), virtue (hǎo dé 好德) and the desire to die a natural death in old age (shàn zhōng 善終). Nowadays, popular among the Chinese is another set of five blessings, which consists of happiness (fú 福), high rank (lù 祿), longevity (shòu 壽), joy (xǐ 喜) and fortune (cái 財).

liù liù dà shùn
六六大順
Everything goes smoothly and successfully.

qī xīng gāo zhào
七星高照
good luck

bā fāng lái cái
八方來財
Fortune comes from all quarters.

jiǔ jiǔ tóng xīno
九九同心
with one heart; of like mind and spirit

shí quán shí měi
十全十美
be perfect (in every way); be the acme of perfection; be the paragon of excellence

bǎi shì hēng tōng
百事亨通
Everything goes well or smoothly.

qiān shì jí xiáng
千事吉祥
lucky/auspicious/propitious all the way

wàn shì rú yì
萬事如意
realize all one's wishes; "May all go well with you!"