忽 - in a moment, instantly, all of a sudden

in an instant; in a moment; immediately; right away; at once

careless; thoughtless; rash; rude; at fault

indiscreet; thoughtless

to be negligent; to neglect; to slight

suddenly; abruptly; unexpectedly

sudden; abrupt; unexpected

negligent; careless

cannot be treated lightly; requiring careful attention; cannot be ignored

hop (Humulus lupulus); hops

careless person; thoughtless person

one hundred-thousandth

sudden; unexpected