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whats are these phrases in arabic?

I will not include Dialects , cause every country has many dialects .

its up to you = هذا عائد لك / هذا راجع لك

waste of time = تضييع وقت

do not waste your time with useless speech = لا تضيع وقتك في كلام فارغ

as soon as possible = بأقرب وقت

call me as soon as possible = ناديني / هاتفني بأقرب وقت

call me as soon as the plane lands = ناديني بأقرب وقت تحط فيه الطائرة

to decide = يقرر / يعزم

i decided ...... = قررتُ أن

Hope it helps

Its up to you yes .. It is correct بكيفك
waste of time = مضيعه للوقت

As soon as possible = حالما

I decided .. انا قررت

"its up to you" i have found بكيفك , is this correct? yes it is

"waste of time" ضياع وقت "do not waste your time with useless speech" لا تضيع وقتك في كلام فارغ
"as soon as possible"أقرب وقت ممكن
" call me as soon as possible" كلمني بأقرب وقت ممكن
"call me as soon as the plane lands" كلمني بأقرب وقت تنزل فيه الطياره
"to decide" يقرر
"i decided leave (go from) the gathering early so that i could catch the bus"
أنا قررت أترك الاجتماع بدري , حتى الحق الباص