particle indicating that the speaker is trying to recall some information
the present; present time; as of; present tense; this world; this life
challenge; defiance; dare; attempt; try
medium; average; moderation; middle school; China; volume two (of three); during (a certain time when one did or is doing something)
behind; rear; after; later; remainder; the rest; more (e.g. five more minutes)
that being the case; because of ...; the reason is ...; given that ...
yes; that is correct; understood; I see; present; here; pardon?