=1

这

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

这

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

一个

yīge

a; an; one the whole (afternoon, summer vacation etc)

=3

一个

yīgè

Combination of the numeral 一 (“one”) and the generic classifier 個／个: a; an; one same

4

巨大

jùdà

huge; immense; enormous; gigantic

=5

的

de

of; ~'s (possessive particle) (used after an attribute when it modifies a noun) (used at the end of a declarative sentence for emphasis) (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂兒的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one") also pr. dì or di in poetry and songs

=5

的

dī

a taxi; a cab (abbr. for 的士 dīshì)

=5

的

dí

really and truly

=5

的

dì

(bound form) bull's-eye; target

6

挑战

tiǎozhàn

to challenge challenge