Japanese white book/pronounce

• てきぱき
  • Mean:Clean
    • example:仕事をてきぱきこなす（you effective on handle job）

• こつこつ
  • Mean:one step by step
    • example:こつこつお金を貯める（cumulative the money ）

Japanese	Meaning	other
はい	Yes,sure	normal conversation with friend
はい！	YES,That right! (more energy way)	Talking with teacher or Boss (upper class of people)
ええ	Yes sir	Talking with client (business use)
うん	oh	pounce use for normal response
はいはい	Yeah Yeah...	Talking with friend (!! kind of not polite for upper class)