「構わない」（かまわない） is to not pay attention to, not look after, or not care about someone or something.

「小心者」（しょうしんもの） is a person who is shy, nervous, and not brave. Its synonym is 「臆病者」（おくびょうもの）.

「難解」（なんかい） is to be hard to understand.

「鼻で笑う」（はなで わらう） is to laugh at someone with contempt or disdain.

「鎌をかける」（かまをかける） is to talk to someone adroitly to tell you what you want to know. 「鎌」（かま） is a sickle.

「虚仮にする」（こけに する） is to say or do something so that you are offended, and people will think that you are stupid and unimportant.

「鵜呑みにする」（うのみに する） is to accept or believe that something is true before you check it out. 「鵜」（う） is a kind of waterfowl which swallows...

「目から鼻へ抜ける」（めから はなへ ぬける） is used for the way someone is very good at understanding and making judgments quickly about a situation. It is...

「冷や汗をかく」（ひやあせを かく） is used in a state when you have sweat on your face or body but still feel cold, usually because you are very...

「猫なで声」（ねこなでごえ） is a tone of voice in which you persuade someone to give you something or do something by saying nice things that you do...

「片言」（かたこと） means the way of speaking a language that is not your own and that is spoken slowly and with a lot of mistakes, and with a...

「猫かわいがりする」（ねこかわいがり する） is used for the way you love someone too much or to show great love for someone, to such an extent that you spoil...

「手加減する」（てかげん する） is to make allowances for someone accordingly and not to be so strict or serious.

「人の褌で相撲を取る」（ひとの ふんどしで すもうを とる） is used disapprovingly to mean that you benefit yourself at someone else's expense or you make a profit by...

「時代錯誤」（じだい さくご） is a person, a custom, or an idea that seems old-fashioned and does not belong to the present. It is also used to mean...

「仕切る」（しきる） is to have complete control over something or someone. 「取り仕切る」（とり しきる）is also used.

「一両日」（いちりょうじつ） is a day or two, that is, 「一日二日」（いちにち ふつか）.

「未明」（みめい） is used to mean before daybreak or dawn. 「未」 means not yet; 「明」 means day breaks. So it is 「夜明け前」（よあけまえ）.

「夜半」（やはん） is the time around midnight or in the middle of the night. 「夜中」（よなか） is also used.

「尾ひれがつく」（おひれが つく） is used to mean that something is made to seem more important, better, worse, etc. than it really is. 「尾」（お） is a tail;...