idiomatic expression  expression  noun  noun (generic) 

• a bolt out of the blue

noun  noun (generic)  idiomatic expression 

• blue sky
• skyrocketing (of prices), having no limit, the sky being the limit

idiomatic expression  noun  noun (generic) 

• outburst of cicadas singing, chorus of cicadas

idiomatic expression  expression  Ichidan verb  verb (generic) 

• to exceed the budget, to overrun the budget, to have a deficit, to go into the red
• to have a secret revealed

idiomatic expression  expression  godan verb  godan verb (archaic)  verb (generic)  archaic 

• to be traced (of a criminal), to be tracked
• to have a (male) lover

idiomatic expression  expression  godan verb  godan verb (archaic)  verb (generic) 

• to be lazy

idiomatic expression  expression  suru verb  verb (generic) 

• to work assiduously, to give one's all, to make the utmost effort, to make (grind) one's body into dust

noun  noun (generic)  idiomatic expression 

• big tiger
• drinker, staggering drunkard

search-only kanji form  idiomatic expression  expression  noun  noun (generic) 

• having very little difference between one another, being much of a muchness, being more or less the same, height comparison among acorns
• pointless competition (between two equally unimpressive parties), pissing contest

search-only kanji form  idiomatic expression  expression  Ichidan verb  verb (generic) 

• to reveal one's true colors (colours), to betray oneself