=1

這

zhè

(pronoun) this; these (bound form) this; the (followed by a noun) (bound form) this; these (followed by a classifier) (in this sense, commonly pr. zhèi, esp. in Beijing)

=1

這

zhèi

(coll.) this

=2

是

shì

to be (followed by substantives only) correct; right; true (respectful acknowledgement of a command) very well (adverb for emphatic assertion)

=2

是

shì

variant of 是 shì

=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

第一次

dìyīcì

the first time; for the first time

=4

第一次

dì-yīcì

(euphemistic) first sexual experience (literally) first time first sexual experience first time

5

出國

chūguó

to go abroad; to leave the country

=6

嗎

má

(coll.) what?

=6

嗎

mǎ

used in 吗啡 mǎfēi

=6

嗎

ma

(question particle for "yes-no" questions)