of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]
really and truly[cedict]
aim; clear[cedict]
你
nǐㄋㄧˇ
you[cedict]
花费
huā fèiㄏㄨㄚ ㄈㄟˋ
expense; cost; to spend (time or money); expenditure[cedict]
数十年
(n-t) few decades; many decades; several decades[edict]
才
cáiㄘㄞˊ
ability; talent; endowment; gift; an expert; only (then); only if; just[cedict]
just; not until[cedict]
研究
yán jiūㄧㄢˊ ㄐㄧㄡ
research[cedict]
出
chūㄔㄨ
to go out; to come out; to occur; to produce; to go beyond; to rise; to put forth; to occur; to happen; classifier for dramas, plays, operas etc[cedict]