若無其事

If; supposing; as if; like; to seem; to resemble; to be compared to; a type of fragrant herb; to obey; surname Ruo.

Not to have; no; none; not; to lack; un-; -less; used in Buddhist phrases like 'namo'.

Pronoun: his; her; its; their; that; such; it; function word: used at end of sentence to indicate doubt; used in middle or end of sentence after 彼 or 何.

A thing or matter; an event or incident; work or business; to serve; to do or perform.