expression:

• nothing one can say (e.g. about something perfect)

expression / godan ~く verb:

• to employ one's secret weapon; to play one's trump card; to use the ace up one's sleeve - idiom

noun:

• the practice of assigning one era name to one emperor - four character idiom

noun:

• depending on one's preference

expression / godan ~す verb:

• to suppress one's emotions

expression:

• one of two (possibilities, alternatives, etc.)

noun:

• always conducting oneself as though one were on a battlefield; being combat ready at all times (of a person) - four character idiom

expression:

• every last one; one and all; from A to Z
• as soon as; right after; no sooner (than) - verb+はしから - usually written using kana alone

noun:

• one's actual age ➜ 実年齢
• one's fifties and sixties - now officially referred to as 中高年 ➜ 中高年

expression / godan ~す verb:

• to fatigue one's mind

noun / ~する noun:

• united into one

expression / godan ~く verb:

• to show one's privates

expression / godan ~す verb:

• to stretch one's arms; to elongate one's arms - obscure term

noun:

• focus of one's attention; what one is looking for; point of view; viewpoint

noun:

• being at one's wit's end; being (quite) at a loss (what to do) - four character idiom

expression / ichidan verb:

• to have one's name entered (in a list)

expression:

• not knowing what to do with the time one has on one's hand - unorthodox form ➜ 間が持てない

noun:

• wait to turn either of two pairs into a three-of-a-kind to finish one's hand - Mahjong term - From Chinese ➜ シャンポン待ち【シャンポンまち】

noun:

• within one's body

noun:

• period when one's voice changes; (age of) puberty

noun / ~する noun:

• offering one's opinion (to someone on something) - four character idiom

noun:

• exceeding (overstepping) one's powers (competence, authority); abuse of one's legal authority; acting ultra vires - four character idiom

godan ~す verb / expression:

• to darken one's face; to assume a gloomy look ➜ 曇らす

adverb:

• as many as one likes; as much as one likes; any amount

noun / ~する noun:

• one-ring scam - From English "one call"
• one ring; disconnecting a call after one ring has gone through