整 (zhěng) means “exactly; in good order; whole; complete; entire; in order; orderly; to repair; to mend; to renovate; (coll.) to fix sb; to give sb a hard time; to mess with sb”. It is an HSK 3 Chinese character in the HSK 3.0 vocabulary.
我等了整整一天。
Wǒ děng le zhěngzhěng yī tiān.
I waited a whole day.
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