彼女はいつも物事がうまくいかないと文句を言うんだ

Meaning
she always has complaints when things don't go her way

Vocab used in this sentence

彼女
she, her, girlfriend, sweetheart
a, the, is, am, are, will
いつも
always, every time, regularly, constantly, forever, habitually
物事
things, everything, affairs, matters
is, there, but, ga, will, however
うまい
good, fine, delicious, beautiful, nice, choice, wonderful, tasty, splendid, skillful
いか
how, squid
ない
no, not, don't, without, missing, absent
and, with, if
文句
complain, complaint, phrase, objection, grievance
o, the, to, wo
言う
say, tell, speak, mention, express, state, remark
i, n, m, ng, yin, hmm
is, be, are, am, it is, seems

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