|n./adj. order, sequence; secondary, second-rate, inferior, poor||
|m. measure word for train numbers or flight numbers||
num. one time, once
phr. I'd like you to take these pills three times a day, each time one pill.
phr. He passed this exam.
phr. You should take the medicine once a day.
phr. How many times has she visited Beijing?
phr. Excuse me, please say it again.
phr. Is this the first time you have come to China?