神経質な人は頭をかいたりするものだ。

nervousness; (being) highly strung; sensitiveness; neurotic

man; person; human being; mankind; people; human (Homo sapiens); humans as a species; character; personality; man of talent; true man; another person; other people; others; adult

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

head; hair (on one's head); mind; brains; intellect; leader; chief; boss; captain; top; tip; beginning; start; head; person; top structural component of a kanji

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to scratch; to perspire; to shovel; to paddle

-ing and -ing (e.g. "coming and going"); (used adverbially) doing such things as...; expresses a command; (after a noun) to be; indicates completion or continuation of an action

to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to

person

be; is; indicates past or completed action; indicates light imperative