1

他

tā

(third-person singular) (since the early 20th century, usu. male) he; him; his (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)

2

知道

zhīdào

to know; to become aware of also pr. zhīdao

=3

你

nǐ

you (informal, as opposed to courteous 您 nín)

=3

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.)

4

愛

ài

to love; to be fond of; to like affection to be inclined (to do sth); to tend to (happen)

5

他

tā

(third-person singular) (since the early 20th century, usu. male) he; him; his (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)

=6

嗎

má

(coll.) what?

=6

嗎

mǎ

used in 吗啡 mǎfēi

=6

嗎

ma

(question particle for "yes-no" questions)