=1

这不

zhèbu

(coll.) As a matter of fact, ... (used to introduce evidence for what one has just asserted)

=1

这不

zhèbù

connects two clauses, emphasising how the following clause substantiates the preceding clause

=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

爱

ài

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