(n.) a day or one day; (slang) used as part of a prepositional phrase (一日都係) to blame someone (or something or 'a reason') for some negative things that have happened, all because of; owing to; thanks to (e.g. 一日都係你 means "It's all because of you" or "Thanks to you".)
小時
siu2 si4
(noun) childhood
裏
leoi5
lining
interior
inside
internal
within
in
at
during
over
suffix used to indicate here, there, where
inner
地球
dei6 kau4
Earth
是
si6
is
不停
bat1 ting2
non-stop
轉動
zyun2 dung6
(verb) 1. To roll round; 2. To spin
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