=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

在

zài

to exist; to be alive (of sb or sth) to be (located) at (used before a verb to indicate an action in progress)

3

等

děng

to wait for; to await by the time; when; till and so on; etc.; et al. (bound form) class; rank; grade (bound form) equal to; same as (used to end an enumeration) (literary) (plural suffix attached to a personal pronoun or noun)

4

誰

shéi

who also pr. shuí