=1

你

nǐ

you (informal, as opposed to courteous 您 nín)

=1

你

nǐ

you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)

2

必須

bìxū

to have to must compulsory necessarily

=3

有

yǒu

to have; there is (bound form) having; with; -ful; -ed; -al (as in 有意 yǒuyì intentional)

=3

有

yòu

(obsolete on its own in Standard Chinese) alternative form of 又 (yòu, “again”) (obsolete on its own in Standard Chinese) alternative form of 又 (yòu, “and; with a remainder of (when dividing an integer by ten)”) alternative form of 又 (yòu, “again”) alternative form of 又 (yòu, “and; with a remainder of (when dividing an integer by ten)”)

4

耐心

nàixīn

to be patient patience