expression:

• preaching to the deaf; wind (blowing) into a horse's ear [literal] - idiom ➜ 馬の耳に念仏

noun:

• mochi used for the celebration of a child's fiftieth day ➜ 五十日の祝

noun / ~する noun:

• negotiating for permission to film (in a specific location) ➜ ロケ

noun / ~する noun:

• turning into a slum; becoming run-down; slumism; slumification

noun / ~する noun:

• having a hard time getting used to unfamiliar places (of children)

noun:

• room key (e.g. at a hotel)

noun:

• rite seeing off the gods on their way to Izumo Shrine (held on the last night of the ninth lunar month and first night of the tenth lunar month) ➜ 神迎え
• exorcism

noun:

• person in the online community who seeks to identify others from the information they post online, or who tries to identify places and objects that appear in comics or games - derogatory term - slang

noun:

• back; spine
• reverse; rear side
• height; stature
• ridge (of a mountain)

noun / ~する noun:

• graduation; completion (e.g. of a course)
• outgrowing something; moving on (from)

noun / ~する noun:

• concentration; focusing; convergence; centralization; integration; gathering together

noun:

• within a collection of works

noun:

• pine tree (Pinus spp.)
• highest (of a three-tier ranking system) ➜ 梅【うめ】・竹【たけ】

noun:

• hostel; dormitory
• bureau (government department beneath a ministry under the ritsuryo system) - archaism ➜ 律令制

adverb / ~の noun:

• abruptly; suddenly; all of a sudden; without warning

noun:

• the opening(s) (e.g. in a game of go or chess)

noun / ~する noun:

• detection (of a plot, fraud, etc.); discovery; coming to light; being uncovered

noun:

• turning point; critical juncture
• knot (in a tree, etc.) ［節目］

adverb / ~する noun:

• suddenly; in a flash; rapidly; nimbly; alertly - onomatopoeia

~する noun / adverb:

• attractive; distinguished; showy; catching ➜ ぱっとしない

noun:

• fuse; pilot light
• cause (of a war, argument, revolt, etc.); origin; trigger

noun:

• vortex; maelstrom; whirlpool
• (in the middle of a) scandal; controversy; quarrel; turmoil

noun:

• nuclear fission
• karyokinesis (division of a cell nucleus during mitosis or meiosis)

noun:

• vocal message; speech; statement
• prologue at the start of a kabuki performance

noun / ~する noun:

• leaving the mound; being knocked out - Baseball term ➜ 登板
• resigning from a role or position

noun:

• commuter pass container; holder for a season ticket - From English "pass case" ➜ 定期入れ【ていきいれ】

noun:

• sanitary
• utility area in a kitchen, etc. where there are laundry facilities