1

有人

yǒurén

someone people anyone there is someone there occupied (as in restroom)

2

看到

kàndào

to see

3

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)

4

離開

líkāi

to depart; to leave

=5

嗎

má

(coll.) what?

=5

嗎

mǎ

used in 吗啡 mǎfēi

=5

嗎

ma

(question particle for "yes-no" questions)