noun:

• good actor who is inept in all other matters; demon for acting who is utterly indifferent to all other concerns; skilled actor who knows little of life; person who excels in one occupation (profession) but lacks simple common sense - four character idiom

adverb:

• (what) the heck; (why) in the world; (who) on earth - before an interrogative, forms an emphatic question

noun:

• one object; one body; unity

adverbial noun:

• generally; in general ➜ 一体に