~たる adjective / ~と adverb:

• trembling with fear; filled with trepidation - archaism - four character idiom

noun:

• mere slip by someone who is usually very careful; simple mistake by a wise person; point overlooked by a cautious person - four character idiom

expression:

• Even a fool may sometimes come up with a good idea - four character idiom

~たる adjective / ~と adverb:

• of low (vulgar) taste; lacking class - four character idiom

noun / adverbial noun / ~する noun:

• exerting oneself to the utmost, prepared to die if necessary - four character idiom

noun / adjectival noun:

• peace and quiet; safe and peaceful; tranquil and uneventful - four character idiom

noun:

• vertically segmented administrative system; overcompartmentalized bureaucracy; system in which interministerial rivalry diminishes overall efficiency; (bureaucratic) sectionalism; interministerial rivalry; bureaucratic fiefdoms - four character idiom

noun:

• corrupt government official - four character idiom

noun:

• having wisdom and resources; being clever and talented - four character idiom

noun:

• wisdom and good (common sense) judgment - four character idiom

noun / ~する noun / ~たる adjective / ~と adverb:

• billing and cooing; holding an intimate, long-winded conversation in whispers - archaism - four character idiom

adverb:

• every morning and evening - four character idiom

noun:

• someone's looks and personal appearance - four character idiom

~の noun / ~たる adjective / ~と adverb:

• openly (unashamedly) in broad daylight - four character idiom

noun:

• the highest state of one's enlightenment; the highest level one can attain - four character idiom

noun:

• get-well card (gift, letter) - four character idiom
• visit to (inquiry after) a sick person

noun:

• decay (decline, corruption) of public morals; moral decadence - four character idiom

noun / adjectival noun:

• rustic; boorish; uncouth; adamantly sticking to being boorish - four character idiom

noun / adjectival noun:

• very rude; very insolent; extremely reprehensible; outrageous - four character idiom

expression:

• Buddhist revelation through intuitive discernment; Spiritual awakening cannot be experienced with words and letters; Spiritual enlightenment can be attained only by means of communion of mind with mind (Zen Buddhism) - four character idiom

noun / ~する noun:

• participating in something by merely following the leaders - four character idiom

adjectival noun / noun / ~の noun:

• boredom; ennui; tedium; wearisomeness - four character idiom

noun:

• the Avici hell, the eighth and most painful of the eight hells in Buddhism - four character idiom

noun:

• making a piece of clothing with the same cloth inside and out; making a kimono with lining of the same fabric - four character idiom

~たる adjective / ~と adverb:

• of great renown; highly illustrious; at the zenith of one's fame - four character idiom