我要是周一不来的话，你周二也别等我了。 - Zhictionary

Zhictionary

我要是周一不来的话，你周二也别等我了。

If I do not come on Monday, you do not need to bother waiting for me on Tuesday either.

Source: Tatoeba

Sentence Composition

I
me
my

(as a complement) be unable to
be unable to
to not come

if (coming after a conditional clause)

you (informal, as opposed to courteous 您 nín)

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.)

also; too; as well; (not ...) either
(used after a verbal or nominal expression X to indicate that X is an extreme or unexpected case) even (X)
(literary) particle having functions similar to 啊 a

to leave; to part (from)
(literary) to differentiate; to distinguish
(dialect) to turn away; to turn aside; to avert (one's face, gaze etc)
(bound form) other; another; different
don't ...!
to fasten with a pin or clip
to stick in; to insert (in order to hinder movement)
(noun suffix) category (as in 性別 xìngbié, 派別 pàibié)

to make sb change their ways, opinions etc

to wait for; to await
by the time; when; till
and so on; etc.; et al.
(bound form) class; rank; grade
(bound form) equal to; same as
(used to end an enumeration)
(literary) (plural suffix attached to a personal pronoun or noun)

I
me
my

(completed action marker)
(modal particle indicating change of state, situation now)
(modal particle intensifying preceding clause)

to finish
(used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
(literary) (usually followed by a negative such as 無 wú or 不 bù) completely (not); entirely (not); (not) in the least
to understand clearly (variant of 瞭 liǎo)

(of eyes) bright
clear-sighted
to understand clearly

unofficial variant of 瞭 liào