noun / adjectival noun:

• stubborn; obstinate; sticking to one's views or decisions - four character idiom

noun / ~する noun / adjectival noun:

• assiduousness; attending diligently to one's study or duties - four character idiom

noun:

• being deep in prayer; praying devoutly to Amida Buddha - four character idiom - Buddhism term

noun:

• Cerekinon (trimebutine maleate), used to treat irritable bowel syndrome

noun:

• customer relations; serving (helping, attending to, waiting on) customers - four character idiom

noun:

• elements deserving criticism; material used to criticize someone (something) - four character idiom

noun:

• obsession with changing one's appearance; desire to change - four character idiom

noun:

• first-to-file system (e.g. in patent law)

noun:

• first-to-invent system (e.g. in patent law)

noun:

• miasma; (supposed) noxious gas originally believed to cause fever

expression:

• no concern of mine; nothing to do with me ➜ 関する

expression:

• not hard to... (in certain circumstances, it would be possible)

noun:

• beauty contest to name Miss ... - From English "miss contest"

expression / godan ~つ verb:

• to have one's hair stand on end ➜ 身の毛の弥立つ

interjection:

• (in calisthenics) return to your original position!
• er, rather - used in speech to correct oneself ➜ 元へ

expression / godan ~る verb:

• to become locked (e.g. of automatic locking) ➜ 鍵を掛ける

noun:

• very large float used to carry taiko at festivals

noun:

• person physically attracted to thin people - slang

expression / godan ~す verb:

• to run through one's fortune (in idleness)

expression / godan ~す verb:

• to forget one's troubles by doing something enjoyable

expression / godan ~く verb:

• to look on with arms folded

expression / ichidan verb:

• to draw upon one's profound knowledge - obsolete term

expression / godan ~ぐ verb:

• to clear one's name ➜ 濯ぐ【すすぐ】

expression / ichidan verb:

• to bring up under one's personal care

expression:

• it's hard to choose (because both are excellent)