usual[
'ju:ʒuәl]
a. 
常

, 通常
usual[ adj ]- occurring or encountered or experienced or observed frequently or in accordance with regular practice or procedure
<adj.all>
grew the usual vegetables
the usual summer heat
came at the usual time
the child's usual bedtime
- commonly encountered
<adj.all>
a common (or familiar) complaint
the usual greeting

Usual \U"su*al\, a. [L. usualis, from usus use: cf. F. usuel.
See {Use}, n.]
Such as is in common use; such as occurs in ordinary
practice, or in the ordinary course of events; customary;
ordinary; habitual; common.
Consultation with oracles was a thing very usual and
frequent in their times. --Hooker.
We can make friends of these usual enemies. --Baxter.
※ -- {U"su*al*ly}, adv. -- {U"su*al*ness}, n.